大鼠脑的立体定位技术

合集下载

(ppt版)脑立体定向技术发展和趋势

(ppt版)脑立体定向技术发展和趋势
第二十页,共八十三页。
VR技术的核心(héxīn):通过头带式显示屏〔head mounted disp lais, HMDS〕的设备,触觉反响 感,使人产生视、听、触模拟的感觉,在计算机工 作站中形成动态化,虚拟的内环境。医师在虚拟环 境中,通过提供给医师的立体图象装置,把医师带 到一个可视、听、触虚拟的病灶〔如肿瘤〕空间去, 从各个方向检查肿瘤,模拟手术过程,到达最小损 伤组织的真正“微创〞境地一种预先演习。
第十六页,共八十三页。
第十七页,共八十三页。
VR技术的根底——计算机融合技术和导航技术。 “融合〞是计算机将CT、MRI、DSA等图像配准 融合为一体,还可将立体定向显微镜,轨迹监视等 得以一个计算机图像。“导航〞是手术之前把带有 标记物,标定在病人的CT或MRI图像上,并输入 到计算机工作站,根据这些资料进行多维重建,手 术时进行配准,使术前扫描(sǎomiáo)图像和手术实时 相结合并融为一体,根据导航系统进行手术。
分子影像引导放疗
乏氧影像引导放疗
第四十页,共八十三页。
Classical Anatomical Or Physical Planning, IMRT
第十八页,共八十三页。
第十九页,共八十三页。
具体来说:就是利用计算机对大量数据信息的 高速处理和控制能力,对CT、MRI等图信息进 行多维重建,为外科医师提供给手术时了解病变 部位、手术径路和肿瘤切除范围等进行手术模拟、 手术导航、手术定位、制定手术方案,使手术方 案客观、准确、直观在显示屏上实时(shí shí)显象。
线加速器安装在机器人的机械臂上,可以灵活地做任意方向的 旋转。采用(cǎiyòng)计算机立体定位导向,自动跟踪靶区,无需 使用定向仪框架和体架。,他提供多种治疗选择——正向治疗 方案或逆向治疗方案,它无需中心投射,可分期分次治疗,使病 人放射剂量和病变部位到达最大的均匀分布和适形性。

利用微透析技术在大鼠脑内取样的方法

利用微透析技术在大鼠脑内取样的方法

利用微透析技术在大鼠脑内取样的方法本文通过查询文献并结合笔者的实际操作经验,介绍微透析技术原理,以及利用微透析技术进行清醒大鼠rACC脑区定位取样的方法。

标签:微透析;透析液;立体定位;rACC脑区;大鼠前扣带皮层(anterior cingulate cortex,ACC),尤其是其吻侧部(rostral ACC,rACC)是参与情绪情感反应的重要中枢[1-3]。

已有研究证实,rACC也是伤害性刺激传入高位中枢时形成痛厌恶情绪的重要脑区[4-6],那么在痛情绪发生时rACC脑区神经元释放的神经递质有何变化是我们所关注的。

微透析技术正是一种可以探究这一問题的手段。

该技术是将灌流取样和透析技术结合起来并逐渐完善的一种从生物活体内进行动态微量生化取样的新技术,具有活体连续取样、动态观察、定量分析、采样量小、组织损伤轻等特点[7]。

目前,微透析技术主要应用于大脑、血液、脊髓等部位[8-11],通过定位后取样再检测,观察目标神经递质的相对变化,可在麻醉或清醒的生物体上使用。

在清醒生物体上进行微透析实验比起麻醉生物体,取得的样本会更接近于正常生理状态[12]。

但由于动物处于可自由活动的状态,存在很多不确定因素,因此实验中所需的条件和对动物的各种操作均要在不断地摸索和尝试中确定。

笔者通过查询文献并结合作者的实验操作经验,介绍利用微透析技术进行清醒大鼠rACC脑区定位取样的方法,现报道如下。

1 定位1.1 微透析探针的选取微透析探针的供应商有瑞典的CMA公司,美国的BAS公司和日本的EICOM公司,另外也有实验室采用自制的微透析探针。

本实验室采用的是EICOM公司的探针,根据定位脑区的深度和所需检测的目标神经递质的分子量大小(一般检测的神经递质为氨基酸类神经递质和单胺类神经递质),选择所需的探针规格。

EICOM公司的脑组织探针主要有三个系列,本实验室选用的探针样式为A-Z系列带有导管、内芯和导管配套的螺帽,探针规格为管长4 mm,膜长2 mm,膜材料:人造纤维素,50 kDa截留分子量,见图1。

大鼠脑立体定位图

大鼠脑立体定位图

List of StructuresNames of the structures are listed in alphabetical order.Each name is followed by abbreviation of the structure.1-10 cerebellar lobules 1-103rd ventricle 3V4th ventricle 4VAA1 noradrenaline cells A1A11 dopamine cells A11A12 dopamine cells A12A13 dopamine cells A13A2 noradrenaline cells A2A4 noradrenaline cells A4A5 noradrenaline cells A5A7 noradrenaline cells A7A8 dopamine cells A8abducens nucleus 6accessory abducens nucleus Acs6accessory abducens/facial nucleus 7accessory abducens/facial nucleus Acs6/7accessory facial nucleus Acs7accessory neurosecretory nuclei Accaccessory nucleus of the ventral horn Acsaccessory olfactory bulb AOBaccessory olfactory tract aotaccessory optic tract aoptaccessory trigeminal nucleus Acs5accumbens nucleus Acbaccumbens nucleus, core AcbCaccumbens nucleus, rostral part AcbRaccumbens nucleus, shell AcbShacoustic radiation aracoustic stria asagranular insular cortex AIagranular insular cortex, dorsal part AIDagranular insular cortex, posterior part AIPagranular insular cortex, ventral part AIValar nucleus Alalveus of the hippocampus alvambiguus nucleus Ambamygdalohippocampal area AHiamygdalohippocampal area, anterolateral part AHiAL amygdalohippocampal area, posteromedial part AHiPMamygdaloid fissure afamygdaloid intramedullary gray IMGamygdalopiriform transition area APiramygdalostriatal transition area AStrangular thalamic nucleus Angansa lenticularis alansoparamedian fissure apmfanterior amygdaloid area AAanterior amygdaloid area, dorsal part AADanterior amygdaloid area, ventral part AAVanterior commissure acanterior commissure, anterior part acaanterior commissure, intrabulbar part acianterior commissure, posterior part acpanterior cortical amygdaloid nucleus ACoanterior hypothalamic area AHanterior hypothalamic area, anterior part AHAanterior hypothalamic area, central part AHCanterior hypothalamic area, posterior part AHPanterior lobe of the pituitary APitanterior olfactory nucleus, dorsal part AODanterior olfactory nucleus, external part AOEanterior olfactory nucleus, lateral part AOLanterior olfactory nucleus, medial part AOManterior olfactory nucleus, posterior part AOPanterior olfactory nucleus, ventral part AOVanterior perifornical nucleus APFanterior pretectal nucleus APTanterior pretectal nucleus, dorsal part APTDanterior pretectal nucleus, ventral part APTVanterior tegmental nucleus ATganterodorsal preoptic nucleus ADPanterodorsal thalamic nucleus ADanteromedial thalamic nucleus AManteromedial thalamic nucleus, ventral part AMVanteroventral periventricular nucleus AVPeanteroventral thalamic nucleus AVanteroventral thalamic nucleus, dorsomedial part AVDManteroventral thalamic nucleus, ventrolateral part AVVLaqueduct (Sylvius) Aqarcuate hypothalamic nucleus Arcarcuate hypothalamic nucleus, lateroposterior part ArcLParcuate hypothalamic nucleus, medial posterior part ArcMParcuate nucleus, dorsal part ArcDarcuate nucleus, lateral part ArcLarcuate nucleus, medial part ArcMarea postrema APascending fibers of the facial nerve asc7BB4 serotonin cells B4B9 serotonin cells B9Barrington's nucleus Barbasal nucleus (Meynert) Bbasilar artery basbasolateral amygdaloid nucleus BLbasolateral amygdaloid nucleus, anterior part BLAbasolateral amygdaloid nucleus, posterior part BLPbasolateral amygdaloid nucleus, ventral part BLVbasomedial amygdaloid nucleus BMbasomedial amygdaloid nucleus, anterior part BMAbasomedial amygdaloid nucleus, posterior part BMPbed nucleus of stria terminalis, fusiform part Fubed nucleus of stria terminalis, supracapsular part BSTSbed nucleus of the accessory olfactory tract BAOTbed nucleus of the anterior commissure BACbed nucleus of the stria terminalis BSTbed nucleus of the stria terminalis, intraamygdaloid division BSTIAbed nucleus of the stria terminalis, lateral division BSTLbed nucleus of the stria terminalis, lateral division, dorsal part BSTLDbed nucleus of the stria terminalis, lateral division, intermediate part BSTLI bed nucleus of the stria terminalis, lateral division, juxtacapsular part BSTLJ bed nucleus of the stria terminalis, lateral division, posterior part BSTLP bed nucleus of the stria terminalis, lateral division, ventral part BSTLVbed nucleus of the stria terminalis, medial division BSTMbed nucleus of the stria terminalis, medial division, anterior part BSTMA bed nucleus of the stria terminalis, medial division, posterior part BSTMP bed nucleus of the stria terminalis, medial division, posterointermediate part BSTMPIbed nucleus of the stria terminalis, medial division, posterolateral part BSTMPL bed nucleus of the stria terminalis, medial division, posteromedial part BSTMPMbed nucleus of the stria terminalis, medial division, ventral part BSTMVblood vessel bvbrachium of the inferior colliculus bicbrachium of the superior colliculus bscbrachium pontis (stem of middle cerebellar peduncle) bpBotzinger complex BoCC1 adrenaline cells C1C2 adrenaline cells C2C3 adrenaline cells C3caudal interstitial nucleus of the medial longitudinal fasciculus CIcaudal linear nucleus of the raphe CLicaudal periolivary nucleus CPOcaudate putamen (striatum) CPucaudoventral respiratory group CVRGcaudoventrolateral reticular nucleus CVLcell bridges of the ventral striatum CBcentral amygdaloid nucleus Cecentral amygdaloid nucleus, capsular part CeCcentral amygdaloid nucleus, lateral division CeLcentral amygdaloid nucleus, medial division CeMcentral canal CCcentral cervical nucleus CeCvcentral gray of the pons CGPncentral gray, alpha part CGAcentral gray, beta part CGBcentral gray, gamma part CGGcentral medial thalamic nucleus CMcentral nucleus of the inferior colliculus CICcentral tegmental tract ctgcentrolateral thalamic nucleus CLcerebellum Cbcerebral cortex Cxcerebral peduncle, basal part cpchoroid plexus chpcingulate cortex, area 1 Cg1cingulate cortex, area 2 Cg2cingulum cgcircular nucleus Circlaustrum Clcochlear root of the vestibulocochlear nerve 8cncommissural stria terminalis cstcommissure of the inferior colliculus ciccommissure of the lateral lemniscus cllcommissure of the superior colliculus csccopula of the pyramis Copcorpus callosum cccortex-amygdala transition zone CxAcrus 1 of the ansiform lobule Crus1crus 2 of the ansiform lobule Crus2cuneate fasciculus cucuneate nucleus Cucuneiform nucleus CnFDdecussation of the superior cerebellar peduncle xscpdeep cerebral white matter dcwdeep gray layer of the superior colliculus DpGdeep mesencephalic nucleus DpMedeep white layer of the superior colliculus DpWhdentate gyrus DGdorsal 3rd ventricle D3Vdorsal acoustic stria dasdorsal cochlear nucleus DCdorsal cortex of the inferior colliculus DCICdorsal corticospinal tract dcsdorsal endopiriform nucleus DEndorsal fornix dfdorsal hippocampal commissure dhcdorsal hypothalamic area DAdorsal hypothalamic nucleus Dodorsal lateral geniculate nucleus DLGdorsal lateral olfactory tract dlodorsal longitudinal fasciculus dlfdorsal motor nucleus of vagus 10dorsal nucleus of the lateral lemniscus DLLdorsal nucleus of the spinal cord (Clarke) Ddorsal paragigantocellular nucleus DPGidorsal peduncular cortex DPdorsal peduncular pontine nucleus DPPndorsal periolivary region DPOdorsal raphe nucleus DRdorsal raphe nucleus, caudal part DRCdorsal raphe nucleus, dorsal part DRDdorsal raphe nucleus, interfascicular part DRIdorsal raphe nucleus, ventral part DRVdorsal raphe nucleus, ventrolateral part DRVLdorsal root of spinal nerve drdorsal spinocerebellar tract dscdorsal tegmental bundle dtgdorsal tegmental decussation dtgxdorsal tegmental nucleus DTgdorsal tegmental nucleus, central part DTgCdorsal tegmental nucleus, pericentral part DTgPdorsal tenia tecta DTTdorsal terminal nucleus of the accessory optic tract DTdorsal transition zone DTrdorsal tuberomammillary nucleus DTMdorsolateral fasciculus dldorsolateral orbital cortex DLOdorsolateral periaqueductal gray DLPAGdorsolateral pontine nucleus DLPndorsomedial hypothalamic nucleus DMdorsomedial hypothalamic nucleus, compact part DMCdorsomedial hypothalamic nucleus, dorsal part DMDdorsomedial hypothalamic nucleus, ventral part DMVdorsomedial periaqueductal gray DMPAGdorsomedial pontine nucleus DMPndorsomedial spinal trigeminal nucleus DMSp5dorsomedial spinal trigeminal nucleus, dorsal part DMSp5Ddorsomedial spinal trigeminal nucleus, ventral part DMSp5Vdorsomedial tegmental area DMTgdysgranular insular cortex DIEectorhinal cortex Ectectotrigeminal nucleus E5Edinger-Westphal nucleus EWentorhinal cortex Entependyma and subependymal layer Eepifascicular nucleus EFepilemniscal nucleus ELmepirubrospinal nucleus ERSethmoid thalamic nucleus Ethexternal capsule ecexternal cortex of the inferior colliculus ECICexternal cuneate nucleus ECuexternal medullary lamina emlexternal plexiform layer of the accessory olfactory bulb EPlAexternal plexiform layer of the olfactory bulb EPlextreme capsule excFF cell group of the vestibular complex FVefacial nerve or its root 7nfacial nucleus 7facial nucleus, dorsal intermediate subnucleus 7DIfacial nucleus, dorsolateral subnucleus 7DLfacial nucleus, dorsomedial subnucleus 7DMfacial nucleus, lateral subnucleus 7Lfacial nucleus, ventral intermediate subnucleus 7VIfacial nucleus, ventromedial subnucleus 7VMfasciculus retroflexus frfasciola cinereum FCfield CA1 of hippocampus CA1field CA2 of hippocampus CA2field CA3 of hippocampus CA3fields CA1-3 of hippocampus CA1-3fimbria of the hippocampus fiflocculus Flforceps major of the corpus callosum fmjforceps minor of the corpus callosum fmifornix ffrontal association cortex FrAGgelatinous layer of the caudal spinal trigeminal nucleus Ge5gemini hypothalamic nucleus Gemgenu of the corpus callosum gccgenu of the facial nerve g7gigantocellular reticular nucleus Gigigantocellular reticular nucleus, alpha part GiAgigantocellular reticular nucleus, ventral part GiVglomerular layer of the accessory olfactory bulb GlAglomerular layer of the olfactory bulb Glglossopharyngeal nerve 9ngracile fasciculus grgracile nucleus Grgranular cell layer of the olfactory bulb GrOgranular insular cortex GIgranular layer of the cochlear nuclei GrCgranular layer of the dentate gyrus GrDGgranule cell layer of the accessory olfactory bulb GrAHhabenular commissure hbchilus of the dentate gyrus Hilhippocampal fissure hfhypoglossal nucleus 12Iindusium griseum IGinferior cerebellar peduncle (restiform body) icpinferior olive IOinferior olive, beta subnucleus IOBeinferior olive, cap of Kooy of the medial nucleus IOKinferior olive, dorsal nucleus IODinferior olive, dorsomedial cell group IODMinferior olive, medial nucleus IOMinferior olive, principal nucleus IOPrinferior olive, subnucleus A of medial nucleus IOAinferior olive, subnucleus B of medial nucleus IOBinferior olive, subnucleus C of medial nucleus IOCinferior olive, ventrolateral protrusion IOVLinferior salivatory nucleus ISinfracerebellar nucleus Infinfralimbic cortex ILinfundibular stem InfSinner blade of the dentate gyrus IBlinteranterodorsal thalamic nucleus IADinteranteromedial thalamic nucleus IAMintercalated amygdaloid nucleus, main part IMintercalated nuclei of the amygdala Iintercalated nucleus of the medulla Inintercollicular nucleus InCointercrural fissure icfinterfascicular nucleus IFintergeniculate leaf IGLintermediate gray layer of the superior colliculus InGintermediate interstitial nucleus of the medial longitudinal fasciculus II intermediate lobe of the pituitary IPitintermediate nucleus of the lateral lemniscus ILLintermediate reticular nucleus IRtintermediate white layer of the superior colliculus InWh intermediodorsal thalamic nucleus IMDintermediolateral cell column IMLintermediomedial cell column IMMintermedioventral thalamic commissure imvcintermedius nucleus of the medulla InMinternal arcuate fibers iainternal capsule icinternal medullary lamina imlinternal plexiform layer of the olfactory bulb IPlinteroculomotor nucleus I3interpeduncular fossa IPFinterpeduncular nucleus IPinterpeduncular nucleus, apical subnucleus IPAinterpeduncular nucleus, caudal subnucleus IPCinterpeduncular nucleus, dorsolateral subnucleus IPDL interpeduncular nucleus, dorsomedial subnucleus IPDM interpeduncular nucleus, intermediate subnucleus IPI interpeduncular nucleus, lateral subnucleus IPLinterpeduncular nucleus, rostral subnucleus IPRinterpeduncular nucleus, rostrolateral subnucleus IPRL interpedunculotegmental tract iptinterposed cerebellar nucleus, anterior part IntAinterposed cerebellar nucleus, dorsolateral hump IntDLinterposed cerebellar nucleus, dorsomedial crest IntDMinterposed cerebellar nucleus, posterior part IntPinterposed cerebellar nucleus, posterior parvicellular part IntPPCinterstitial nucleus of medial longitudinal fasciculus, greater part IMLFG interstitial nucleus of the medial longitudinal fasciculus IMLFinterstitial nucleus of the posterior limb of the anterior commissure IPAC interstitial nucleus of the posterior limb of the anterior commissure, lateral part IPACLinterstitial nucleus of the posterior limb of the anterior commissure, medial part IPACMinterstitial nucleus of the vestibulocochlear nerve I8intertrigeminal nucleus I5interventricular foramen IVFintramedullary thalamic area IMAislands of Calleja ICjislands of Calleja, major island ICjMJjuxtarestiform body jxjuxtatrigeminal area Jx5KKölliker-Fuse nucleus KFLlacunosum moleculare layer of the hippocampus LMollambdoid septal zone Ldlamina dissecans of the entorhinal cortex Dsclateral (dentate) cerebellar nucleus Latlateral accumbens shell LAcbShlateral amygdaloid nucleus Lalateral amygdaloid nucleus, dorsolateral part LaDLlateral amygdaloid nucleus, ventrolateral part LaVLlateral amygdaloid nucleus, ventromedial part LaVMlateral cerebellar nucleus, parvicellular part LatPClateral cervical nucleus LatClateral entorhinal cortex LEntlateral funiculus of the spinal cord lfulateral globus pallidus LGPlateral habenular nucleus LHblateral habenular nucleus, lateral part LHbLlateral habenular nucleus, medial part LHbMlateral hypothalamic area LHlateral lemniscal fields LLFlateral lemniscus lllateral mammillary nucleus LMlateral olfactory tract lolateral orbital cortex LOlateral parabrachial nucleus LPBlateral parabrachial nucleus, central part LPBClateral parabrachial nucleus, crescent part LPBCrlateral parabrachial nucleus, dorsal part LPBDlateral parabrachial nucleus, external part LPBElateral parabrachial nucleus, internal part LPBIlateral parabrachial nucleus, superior part LPBSlateral parabrachial nucleus, ventral part LPBVlateral paragigantocellular nucleus LPGilateral periaqueductal gray LPAGlateral pontine nucleus LPnlateral posterior thalamic nucleus LPlateral posterior thalamic nucleus, laterocaudal part LPLClateral posterior thalamic nucleus, laterorostral part LPLRlateral posterior thalamic nucleus, mediocaudal part LPMClateral posterior thalamic nucleus, mediorostral part LPMRlateral preoptic area LPOlateral recess of the 4th ventricle LR4Vlateral reticular nucleus LRtlateral reticular nucleus, parvicellular part LRtPClateral reticular nucleus, subtrigeminal part LRtS5lateral septal nucleus, dorsal part LSDlateral septal nucleus, intermediate part LSIlateral septal nucleus, ventral part LSVlateral spinal nucleus LSplateral stripe of the striatum LSSlateral superior olive LSOlateral tegmental tract ltglateral terminal nucleus of the accessory optic tract LTlateral ventral pallidum LVPlateral ventricle LVlateral vestibular nucleus LVelateral vestibulospinal tract lvslateroanterior hypothalamic nucleus LAlaterodorsal tegmental nucleus LDTglaterodorsal tegmental nucleus, ventral part LDTgVlaterodorsal thalamic nucleus LDlaterodorsal thalamic nucleus, dorsomedial part LDDMlaterodorsal thalamic nucleus, ventrolateral part LDVLlateroventral periolivary nucleus LVPOlinear nucleus of the medulla Lilocus coeruleus LClongitudinal association bundle lablongitudinal fasciculus of the pons lfpMmagnocellular nucleus of the lateral hypothalamus MCLHmagnocellular nucleus of the posterior commissure MCPCmagnocellular preoptic nucleus MCPOmammillary peduncle mpmammillary recess of the 3rd ventricle MRemammillotegmental tract mtgmammillothalamic tract mtmarginal zone of the medial geniculate MZMGmedial (fastigial) cerebellar nucleus Medmedial accessory oculomotor nucleus MA3medial amygdaloid nucleus Memedial amygdaloid nucleus, anterodorsal part MeADmedial amygdaloid nucleus, anteroventral part MeAVmedial amygdaloid nucleus, posterodorsal part MePDmedial amygdaloid nucleus, posteroventral part MePVmedial cerebellar nucleus, dorsolateral protuberance MedDLmedial corticohypothalamic tract mchmedial eminence, external layer MEEmedial eminence, internal layer MEImedial entorhinal cortex MEntmedial entorhinal cortex, ventral part MEntVmedial forebrain bundle mfbmedial forebrain bundle, 'a' component mfbamedial forebrain bundle, 'b' component mfbbmedial geniculate nucleus MGmedial geniculate nucleus, dorsal part MGDmedial geniculate nucleus, medial part MGMmedial geniculate nucleus, ventral part MGVmedial globus pallidus MGPmedial habenular nucleus MHbmedial lemniscus mlmedial longitudinal fasciculus mlfmedial mammillary nucleus, lateral part MLmedial mammillary nucleus, medial part MMmedial mammillary nucleus, median part MMnmedial orbital cortex MOmedial parabrachial nucleus MPBmedial parabrachial nucleus external part MPBEmedial pontine nucleus MPnmedial preoptic area MPAmedial preoptic nucleus MPOmedial preoptic nucleus, central part MPOCmedial preoptic nucleus, lateral part MPOLmedial preoptic nucleus, medial part MPOMmedial pretectal nucleus MPTmedial rostroventrolateral medulla MRVLmedial septal nucleus MSmedial superior olive MSOmedial terminal nucleus of the accessory optic tract MTmedial tuberal nucleus MTumedial ventral pallidum MVPmedial vestibular nucleus MVemedial vestibular nucleus, magnocellular part MVeMCmedial vestibular nucleus, parvicellular part MVePCmedian accessory nucleus of the medulla MnAmedian eminence MEmedian preoptic nucleus MnPOmedian raphe nucleus MnRmediodorsal thalamic nucleus MDmediodorsal thalamic nucleus, central part MDCmediodorsal thalamic nucleus, lateral part MDLmediodorsal thalamic nucleus, medial part MDMmediodorsal thalamic nucleus, paralaminar part MDPLmedioventral periolivary nucleus MVPOmedullary reticular nucleus, dorsal part MdDmedullary reticular nucleus, ventral part MdVmesencephalic trigeminal nucleus Me5mesencephalic trigeminal tract me5microcellular tegmental nucleus MiTgmiddle cerebellar peduncle mcpminimus nucleus Minmitral cell layer of the accessory olfactory bulb MiAmitral cell layer of the olfactory bulb Mimolecular layer of the dentate gyrus Molmotor root of the trigeminal nerve m5motor trigeminal nucleus Mo5motor trigeminal nucleus, dorsolateral part Mo5DLmotor trigeminal nucleus, ventromedial part Mo5VMNnigrostriatal bundle nsnucleus O Onucleus of Darkschewitsch Dknucleus of origin of efferents of the vestibular nerve EVenucleus of Roller Ronucleus of the ansa lenticularis ALnucleus of the brachium of the inferior colliculus BICnucleus of the commissural stria terminalis CSTnucleus of the dorsal hippocampal commissure DHCnucleus of the fields of Forel Fnucleus of the horizontal limb of the diagonal band HDBnucleus of the lateral olfactory tract LOTnucleus of the optic tract OTnucleus of the posterior commissure PComnucleus of the solitary tract Solnucleus of the solitary tract, central part SolCenucleus of the solitary tract, commissural part SolCnucleus of the solitary tract, dorsomedial part SolDMnucleus of the solitary tract, gelatinous part SolGnucleus of the solitary tract, intermediate part SolIMnucleus of the solitary tract, interstitial part SolInucleus of the solitary tract, medial part SolMnucleus of the solitary tract, rostrolateral part1-101-10 cerebellar lobules; OR 1-10 spinal cord layers SolRLnucleus of the solitary tract, ventrolateral part SolVLnucleus of the stria medullaris SMnucleus of the trapezoid body Tznucleus of the vertical limb of the diagonal band VDBnucleus X Xnucleus Y Ynucleus Z ZOobex Obexoculomotor nerve or its root 3noculomotor nucleus 3oculomotor nucleus, parvicellular part 3PColfactory bulb OBolfactory nerve layer ONolfactory tubercle Tuolfactory tubercle, densocellular part TuDColfactory tubercle, plexiform layer TuPlolfactory tubercle, polymorph layer TuPoolfactory ventricle (olfactory part of lateral ventricle) OVolivary pretectal nucleus OPTolivocerebellar tract ocolivocochlear bundle ocboptic chiasm oxoptic nerve 2noptic nerve layer of the superior colliculus Opoptic tract optoriens layer of the hippocampus Orouter blade of the dentate gyrus OBloval paracentral thalamic nucleus OPCPparaabducens nucleus Pa6parabigeminal nucleus PBGparabrachial nucleus, waist part PBWparabrachial pigmented nucleus PBPparacentral thalamic nucleus PCparacochlear glial substance PCGSparacollicular tegmentum PCTgparafascicular thalamic nucleus PFparafloccular sulcus pfsparaflocculus PFlparalambdoid septal nucleus PLdparalemniscal nucleus PLparamedian lobule PMparamedian raphe nucleus PMnRparamedian reticular nucleus PMnparamedian sulcus pmsparanigral nucleus PNparapyramidal nucleus PPypararubral nucleus PaRparasolitary nucleus PSolparastrial nucleus PSparasubiculum PaSparasubthalamic nucleus PSThparatenial thalamic nucleus PTparatrigeminal nucleus Pa5paratrochlear nucleus Pa4paraventricular hypothalamic nucleus Paparaventricular hypothalamic nucleus, anterior magnocellular part PaAM paraventricular hypothalamic nucleus, anterior parvicellular part PaAP paraventricular hypothalamic nucleus, dorsal cap PaDC paraventricular hypothalamic nucleus, lateral magnocellular part PaLM paraventricular hypothalamic nucleus, medial parvicellular part PaMP paraventricular hypothalamic nucleus, posterior part PaPo paraventricular hypothalamic nucleus, ventral part PaV paraventricular thalamic nucleus PVparaventricular thalamic nucleus, anterior part PVAparaventricular thalamic nucleus, posterior part PVPparietal association cortex PtAparvicellular motor trigeminal nucleus PC5parvicellular reticular nucleus PCRtparvicellular reticular nucleus, alpha part PCRtApedunculopontine tegmental nucleus PPTgperiaqueductal gray PAGperifacial zone P7perifornical nucleus PeFperipeduncular nucleus PPperirhinal cortex PRhperitrigeminal zone P5periventricular fiber system pvperiventricular hypothalamic nucleus Pepineal gland Pipineal recess PiRepiriform cortex Pirpiriform-amygdaloid area PAApolymorph layer of the dentate gyrus PoDGpontine nuclei Pnpontine raphe nucleus PnRpontine reticular nucleus, caudal part PnCpontine reticular nucleus, oral part PnOpontine reticular nucleus, ventral part PnVposterior commissure pcposterior hypothalamic area PHposterior intralaminar thalamic nucleus PILposterior limitans thalamic nucleus PLiposterior lobe of the pituitary PPitposterior pretectal nucleus PPTposterior superior fissure psfposterior thalamic nuclear group Poposterior thalamic nuclear group, triangular part PoTposterodorsal preoptic nucleus PDPposterodorsal tegmental nucleus PDTgposterolateral cortical amygdaloid nucleus (C2) PLCoposterolateral fissure plfposteromedial cortical amygdaloid nucleus (C3) PMCoposteromedian thalamic nucleus PoMnpostsubiculum Postpre-Bötzinger complex PrB\232precommissural fornix pcfprecommissural nucleus PrCpreculminate fissure pcufpredorsal bundle pdprelimbic cortex PrLpremammillary nucleus, dorsal part PMDpremammillary nucleus, ventral part PMVprepositus nucleus Prprepyramidal fissure ppfprerubral field PRpresubiculum PrSprimary auditory cortex Au1primary fissure prfprimary motor cortex M1primary somatosensory cortex S1primary somatosensory cortex, barrel field S1BFprimary somatosensory cortex, dysgranular region S1DZprimary somatosensory cortex, forelimb region S1FLprimary somatosensory cortex, hindlimb region S1HLprimary somatosensory cortex, jaw region S1Jprimary somatosensory cortex, jaw region, oral surface S1JOprimary somatosensory cortex, trunk region S1Trprimary somatosensory cortex, upper lip region S1ULpprimary visual cortex, binocular area V1Bprimary visual cortex, monocular area V1Mprincipal mammillary tract pmprincipal sensory trigeminal nucleus Pr5principal sensory trigeminal nucleus, dorsomedial part Pr5DMprincipal sensory trigeminal nucleus, ventrolateral part Pr5VLProbst's bundle prbprosubiculum ProSpyramidal cell layer of the hippocampus Pypyramidal decussation pyxpyramidal fissure pfpyramidal tract pyRraphe interpositus nucleus RIPraphe magnus nucleus RMgraphe obscurus nucleus RObraphe pallidus nucleus RParecess of the inferior colliculus ReICred nucleus Rred nucleus, lateral horn RLHred nucleus, magnocellular part RMCred nucleus, parvicellular part RPCreticular thalamic nucleus Rtreticulotegmental nucleus of the pons RtTgreticulotegmental nucleus of the pons, pericentral part RtTgP retroambiguus nucleus RAmbretrochiasmatic area RChretroethmoid nucleus REthretrolemniscal nucleus RLretrorubral field RRFretrorubral nucleus RRretrosplenial agranular cortex RSAretrosplenial granular a cortex RSGaretrosplenial granular b cortex RSGbretrosplenial granular cortex RSGreuniens thalamic nucleus Rerhabdoid nucleus Rbdrhinal fissure rfrhinal incisura rirhomboid thalamic nucleus Rhroot of abducens nerve 6n。

神经生物学实验报告动物脑的立体定位专业技术

神经生物学实验报告动物脑的立体定位专业技术

脑立体定位技术及切片制备一、实验目的通过本实验,了解动物脑立体定位及切片制备,并基本掌握动物脑立体定位技术及切片制作。

二、实验设备及要求实验分两部分:Ⅰ大鼠脑立体定位(纹状体)[器材和药品]立体定位仪、10%水合氯醛溶液、1ml注射器、手术刀、粗剪刀、组织剪、止血钳、牙科钻或骨钻、金属定位针、脱脂棉花、3%双氧水(H2O2)、生理盐水、75%酒精,墨水。

[实验动物]雄性SD大鼠(200-300 g)Ⅱ大鼠脑切片制备[器材和药品]器械:手术刀、组织剪、止血钳、咬骨钳、无齿钳、5ml注射器、6号针头、灌注瓶、恒冷切片机液体:4%多聚甲醛溶液三、实验步骤Ⅰ大鼠脑立体定位(纹状体)1. 立体定位仪的一般校验2. 动物麻醉:动物称重后,水合氯醛溶液按3.6ml/kg作腹腔注射麻醉。

3.头部固定:(1)插入耳棒:先将一侧耳棒轻轻插入外耳道,碰到骨性外耳道底后固定耳棒,继之同样插入固定另一耳棒。

检查大鼠头部固定是否稳定,松斜,两侧耳棒刻度是否对称,轻移耳棒使两侧刻度一致头位完全居中,再次固定耳棒。

三个标准检测是否固定成功:鼻对正中,头部不动,提尾不掉。

(2)固定上颌:将大鼠的上门牙塞进上齿固定板的槽内,旋紧螺丝。

从各方向推压动物头部,均不应出现移动。

通过定位针的测量调节前后囟在同一矢状线上,并使前后囟在同一水平线上。

4.开颅:剪去头部的毛,用75%酒精棉球作头部皮肤的消毒,沿矢状缝作切口,剥离筋膜及肌肉,推开骨膜,并用3%双氧水洗净,用干棉球擦拭,暴露骨缝,止血。

5.脑内核团定位:(1)根据脑图谱,确定所要纹状体的立体位置,(纹状体:前囟前1 mm, 旁开2.5 mm, 深 3.5 mm)。

(2)用定位针参照中线和前后囟在颅骨上标记进针的部位后,在指定位置钻孔,有突破(落空)感后,停止钻孔。

6. 定位标记及组织学鉴定:(1)定位标记:根据定位坐标,插入微量注射针,注入染料。

(2)组织学鉴定:动物处死后,大鼠用左心室—主动脉插管(右心室开孔,便于灌洗液流出),先后用生理盐水和4%多聚甲醛溶液灌流固定, 取脑作冰冻连续切片,观察确定注射位置是否准确。

48-SD大鼠脑DKI研究中弥散参数MK与MD的比较_韩学芳

48-SD大鼠脑DKI研究中弥散参数MK与MD的比较_韩学芳

· 1604· 一步探讨其与年龄相关性改变, 旨在对比研究 MK MD 值在组织微观结构改变中的敏感性, 值、 为今后 DKI 这一新技术在中枢神经系统中得到更广泛的应 用奠定基础。 1 1. 1 材料与方法
临床放射学杂志 2016 年第 35 卷第 10 期
将 DKI 原始数据传输至 GE Advantage Windows 4. 3 工作站, 利用 Functiontools 中 DKI 软件包, 调节 b 值的扩散梯度编码方向的总数 测量范围的阈值, b0 数目为 5 , 目为 25 , 生成平均扩散峰度 ( mean kurtosis, MK) 图、 MD) 图。 平均弥散率( mean diffusivity, 依据鼠脑立体定位图谱 所标注的各结构解 剖位置( 图 1 ) , 在 DKI 图上手动绘制感兴趣区 ( region of interest, ROI ) : 两侧大脑皮层 ( cerebral cortex, CC ) 、 EC ) 、 两侧外囊 ( external capsule , 两侧尾壳 CPu ) ( 图 2A D ) 。 核( 纹状体 ) ( caudate putamen, ROI 尽量避开干扰组织, 如颅骨、 血管、 脂肪、 硬膜、 MD 值。 以上得 脑脊液等, 得到相应部位的 MK 值、 1 个月后重复测量, 到的各参数图像分别于 1 周、 取 3 次测量结果的平均值作为相应参数的参数值 。 1. 4 统计分析 应用 SPSS 17. 0 软件进行统计分析。采用配对 t 检验比较 CC 、 EC 、 CPu 各统计指标的侧别差异, 采 用完全随机设计资料的多样本方差分析 ( analysis of variance, ANOVA) 比较不同年龄组间 CC 、 EC 、 CPu 各 统计指标的差异及各年龄组各统计指标在不同部位 间的差异, 采用最小显著差异( least significant difference, LSD) t 检验进行两两比较。 2 2. 1 较 MD 的测量 两侧 CC 、 两侧 EC 、 两侧 CPu 的 MK、 结果及统计学分析结果见附表 ( 表 1 ) 。 配对 t 检验 结果显示: 两侧 CC 、 两侧 EC 、 两侧 CPu 的 MK 值、 MD 值侧别差异不存在统计学意义( P > 0. 05 ) 。 但在后续统计分析中, 为了更好地发现组间差 CC 、 EC 、 CPu 的弥散参数仍将两侧分别作为统 异性, 计量, 进行统计推断。 2. 2 两侧 CC 、 两侧 EC 、 两侧 CPu 不同年龄组之间 各弥散参数的比较 两侧 CC 、 两侧 EC 、 两侧 CPu 各年龄组 MK 统计 B ) 显示: 两侧 CC 、 学结果( 图 3A、 两侧 EC 13 个月 组与 3 /6 /10 个月组差异均存在统计学意义; 两侧 CPu 的 3 个月组与 6 个月组、 13 个月组与 6 /10 个月 组存在组间差异; 其余各组间不存在统计学差异。 两侧 CC 、 两侧 EC 、 两侧 CPu 各年龄组 MD 统计 D ) 显示: 左侧 CC 、 EC 13 个月组与 学结果( 图 3C 、 3 /6 /10 个月组差异均存在统计学意义; 左侧 CPu 3 13 个 月 组 与 6 / 10 个 月 组 组 间 月 个 组 与6 个 月 组 、 结果 CC 、 EC 、 CPu 左、 右侧别之间各弥散参数的比

实验性脑出血大鼠脑内ICAM-1表达及脑溢安的保护作用

实验性脑出血大鼠脑内ICAM-1表达及脑溢安的保护作用

Xig u , iIn ,ta j 2 n g T n q r I b g c 1 . h ℃M s 2 , 彳 ” 2 0 3 O O ; . ” ff l P £ H0户 厶z “ g “( j 0 6) 2 j s 0 F 厂J £g t
N A( <o O ) [ o c s n h A 1 x r s n w ss n i nl u e u t h ri 0 rt w t t cr r1 e r a e Y P . 1 . c n1 i ]T e c ^ p e i a i |c t r l e i t eba f a i i r ee a h mor g , uo I e so g fa y g adn n s hna b h
_h fcs o o i a n t e Ex r sin f I r eEfe t f Na y ’ n o h p es0 o CAM ‘ i h an 0 t t pei e t J nta e e r l 1 n t e Br i f Ra s wih Ex rnln a I r c r b a He Hlr 窖 1 n r ha e Z}i h ,Ii Yiui 』
浙 江 中 医 药大 学 学 报 2 0 o 9年 3月 第 3 3卷第 2期
实 验 性 脑 出血 大 鼠脑 内 I AM. 表 达 C 1 及 脑 溢 安 的保 护 作 用
智屹 惠 黎 杏 群 李
彤。 万 赛 英 唐

1 江 中 医大学 附属 第一 医 院 .浙
学 院 第 一 附 属 医 院
血模 型 , 别 观 察 I A 1 位 杂 交和 wet nb t 变化 及 脑 溢安 对 其 的 干预 作用 。[ 果 ]模 型 组 可见 IAM_ 表 达 增 强 , 溢 分 c M_ 原 se l 的 r o 结 ( : 1 脑 安 能 明显 降低 1 A 1 表 达 ( < oo ) 结论 ]实验 性脑 出血 大鼠脑 内 IAM_ 表 达增 强 , 溢 安 对其 具 有保 护 作 用 。 c M_ 的 P . 1 。[ c 1 脑

《大鼠脑立体定位图谱》出版消息

《大鼠脑立体定位图谱》出版消息

《大鼠脑立体定位图谱》出版消息《大鼠脑立体定位图谱》是一部由诸葛启钏主编,人民卫生出版社于2005年7月1日出版的书籍。

该书以大鼠脑为研究对象,提供了大鼠脑各个区域的立体定位信息,对于研究大鼠脑的结构和功能具有重要的参考价值。

该书共分为字,由人民卫生出版社正式出版,胶版纸印刷,平装包装。

对于医学、生物学、神经科学等领域的研究者来说,《大鼠脑立体定位图谱》无疑是一本非常有价值的参考书籍。

书中详细介绍了大鼠脑的各个区域和核团,并使用定位坐标来描述其在脑中的位置。

还提供了许多有关大鼠脑的形态学、生理学和行为学等方面的信息。

通过该书,读者可以全面了解大鼠脑的结构和功能,对于开展相关研究具有重要指导意义。

《大鼠脑立体定位图谱》的出版为相关领域的研究者提供了一本非常有价值的参考书籍,对于推动大鼠脑科学研究的发展具有重要意义。

脑缺血再灌注和电针治疗是当前医学研究的重要领域,其中电针治疗是一种具有中国特色且广泛应用于临床的疗法。

本文旨在探讨电针对脑缺血再灌注大鼠脑皮质局部血流量和血管新生的影响,为临床应用提供理论依据。

在过去的研究中,脑缺血再灌注损伤的机制一直是一个难题。

近年来,随着科学技术的发展,越来越多的研究表明,脑缺血再灌注后血管新生对于脑损伤的修复和神经功能的恢复具有重要意义。

然而,目前尚无理想的治疗方法能够有效地促进血管新生,改善脑部供血。

本研究采用随机对照实验方法,选取健康成年大鼠为研究对象,分为假手术组、模型组和电针组。

建立大鼠脑缺血再灌注模型,然后对电针组大鼠进行电针治疗。

通过免疫组织化学法和图像分析技术,观察各组大鼠脑皮质局部血流量和血管新生情况。

实验结果显示,电针组大鼠脑皮质局部血流量明显高于模型组和假手术组,且电针组大鼠脑皮质血管新生数量也明显增加。

这表明电针治疗可以有效地促进脑缺血再灌注大鼠脑皮质局部血流量增加和血管新生,对脑损伤修复和神经功能恢复具有积极作用。

电针对脑缺血再灌注大鼠脑皮质局部血流量和血管新生的影响研究表明,电针治疗可以有效地改善脑部供血,促进血管新生,对脑损伤修复和神经功能恢复具有积极作用。

神经生物学实验

神经生物学实验

体激活后第二信使、G 蛋白、膜离子流、调控蛋白及
产生磷酸化和脱磷酸化等各种反应的酶变化;
图 2 LTP 电位示意图
⑶突触前或突触后结构的可塑性,包ห้องสมุดไป่ตู้突触前树突棘体积增大,数目增多 ,
突触界面扩大及突触后致密物质增大增厚等;
⑷非神经元修饰:如胶质细胞及胶质-神经元相互作用的变化;
⑸上述某些变化或所有变化的综合表现。
(蔡 葵)
6
实习二 大鼠海马 LTP 的实验观察
1. LTP 的基本概念
LTP(long-term potentiation, 长时程增强), 对突触前神经元进行高频强直
电刺激后导致突触后神经元产生突触传递效应增强的现象,该效应可持续一
个小时以上,其具体表现为:
①峰电位幅值增大;
②潜伏期缩短;
③兴奋性突触后电位(EPSP)幅值增大;
兔脑:兔的头部固定在脑定位仪上时,其前囟(Bregma,即冠状缝与矢 状缝的交点)比λ(人字缝与矢状缝的交点)高 1.5mm,在这种情况下,以通过 前囟的水平面作参考平面,而以在该平面下 12mm 处的水平面作为水平标准 平面(HO, 零平面),在此平面上方为 V+,在此平面下方为 V-。经过前囟并 与矢状缝垂直又与水平面垂直的面,作为额面标准平面(APO),在此平面之 前为 AP+,在此平面之后为 AP-。
单管玻璃微电极是一根尖端开口很细的硬质玻璃管,内充电解质溶液作 为电极。由于电解质溶液可以导电,利用单管玻璃微电极可以记录到中枢神 经系统神经元的电活动。用于细胞内记录的微电极,其尖端直径应小于 0.5mm,尖端的倾斜度应相当缓和,以免穿入细胞膜时造成大的伤害。这种 微电极适合于从细胞内引导电活动和测量膜电位。用于细胞外记录的微电 极,其尖端直径约在 1~5mm。一般认为尖端内径 1~4mm 的玻璃微电极适宜 于记录神经元胞体的电活动。微电极的长度应视需要而定,但插入脑组织内 的部分不宜太粗,以免插入时造成显著的损伤。制作玻璃微电极应选用熔点 高,化学稳定性高,电阻率高和膨胀系数低的硬质玻璃管。国外常用 Pyrex 玻璃管,国内一般采用 GG17 和 95 玻璃管。 3.3.2 多管玻璃微电极
  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。





切头皮,剥开皮下组织, 将骨缝暴露清 晰,用铅笔在前囟和后囟各做一标志 核团定位,做标志, 钻孔
LV(AP: -1.3 R 2.0 H: 3.5)mm

小心安放微量注射器,针尖斜面中点进 入孔内时,记高度。缓慢进针至LV ,注 入10 l 2%滂胺天蓝溶液(2 l/min),留 针10 min后缓慢拔针

确定注射位置


取下动物,腹腔注射过量的20%氨基甲酸乙 酯使动物死亡 以咬骨钳咬开颅骨,小心取出大脑,顺着注 射点将大脑切开,观察染料是否在侧脑室内
注意事项

立体定位仪为精密仪器,洗,以防堵塞


核团微量注射 电位引导 核团的刺激或损毁
材料

大鼠,立体定位仪,哺乳类手术器械, 牙科钻,20%氨基甲酸乙酯,生理盐水, 2%滂胺天蓝溶液
方法和步骤


麻醉
20%氨基甲酸乙酯 0.6 ml/100g, i.p.


固定
将大鼠头部固定于脑立体定位仪上,门齿杆 -3.3 mm 3个标准检测是否固定成功(鼻对正中,头 部不动,提尾不掉)
大鼠脑的立体定位技术
浙江大学医学院生理学系 梁华为
目的

了解脑立体定位技术的原理,初步掌握 确定某一中枢核团的方法
原理

某些颅外标记与颅内结构具有相对固定 的位置关系


前囟(bregma):位于冠状缝和矢状缝的交接处 人字缝尖(lambda):位于后囟人字缝与矢状缝 交会点

脑图谱

应用

相关文档
最新文档