Systema Nervosum II

Systema NervosumIISBlood Brain BarierStruktur unik sistem vaskular otak.Tersusun dr: sel endotel yg berikatan di kapiler otak dan sel yg melapisi ventriculus otakFs: proteksi, transportasi substansi khusus, mencegah radikal bebas

Struktur OtakS

SEncephalon

ProsencephalonTelencephalon/CerebrumHemispherium cerebriGanglia basalisHippocampusDiencephalonEpithalamus (Corpus pinealis) melatoninThalamusHypothalamusInfundibulum

# Terdapat ventriculus lateralis dextra et sinistra, ventriculus tertius

- Diencephalon -Nucleus di ThalamusNucleus ventroposterolateralNucleus ventroposteromedialCorpus geniculatum lateralCorpus geniculatum medialNucleus anteriorNucleus di HypothalamusPars OpticusNcl. supraopticus ADHNcl. paraventricularis oksiPars MembralisNcl. ventromedial vatietasNcl. dorsomedia TD, N, GITNcl. tuberalis lapar, hausPars Mamilaris lat,med

- Hypophysis Cerebri -Batas:Superior diafragma sellaeInferior corpus ossis sphenoidalis, sinus sphenoidalisLateral Sinus cavernosusPosterior dorsum sellae, A.basilaris, ponsPembagian:adenohyphophysisneurohypophysis- Hypophysis Cerebri -AdenohypophysisSel somatotrof GHSel mamototrof LTH, prolactinSel tirotrof TSHSel gonadotrophin FSH, LHSel corticotrophin CTH

NeurohypophysisStruktur:NeuralisEmminentia medianaSulcus infundibularisSel hiring

- Hypophysis Cerebri -Sistem porta hypothalamo-hypophysisVaskularisasiA. hypophysialis superior et inferiorCabang A. carotis internaVena yg bermuara sinus intercavernosa

MesencephalonPedunculus cerebriCrus cerebriTegmentum mesencephalyTectum mesencephaly (corpora quadrigeminal)Colliculus superiorColliculus inferiorSubstantia nigra (pars reticularis, pars compacta)Nucleus ruberFormatio reticularisAquaeductus cerebri/mesencephaly

RhombencephalonPons varolli Metencenpahlon/CerebellumMyelencephalon/Medulla Oblongata

# Terdapat ventriculus quartus dan canalis centralis- Cerebellum -Pedunculus cerebellumSuperiorMedia/brachium pontisInferiorLobus cerebellumAnterior (I-V)Posterior (VI-IX)Flocculo-nodularis (X)FissuraPrimaHorizontalisSecundaFlocculonodularis

- Cerebellum -Pembagian secara filogenetikArchicerebellum/vestibulocerebellar ncl. Fastigii, lb flocculonodullarisT.O. truncus, keseimbangan, posturPaleocerebellum/spinocerebellarncl. Interpositus anterior/emboliformis et posterior/globossus, lobus anteriorT.O. ekstremitas prox, proprioseptif, eksteroseptifNeocerebellum/cerebrocerebellar (MANUSIA) ncl. Dentatus, lobus posteriorkoordinasi ekstremitas distal perhalus gerakanLiquor Cerebro SpinalisSLCSFaktor yg mempertahankan LCS:Gradien tekanan kapiler plexus choroideus dg sistem venaPerubahan tekanan venosa

LCS punksi lumbal, punksi occipital, punksi ventriculerFs: suport jar. Saraf, gerak rotasi kepala yg mendadakSistem Ventriculus OtakVentriculus lateralisBesarForamen interventriculare/MonroeVentriculus tertiusAqueductus cerebri/SylviusVentriculus quartusAppertura mediana/Magendi, appertura lateralis/Luschka, canalis centralis spatium subarachnoidea

Sistem Cysterna SubarachnoideaCysterna cerebellomedullaryCysterna pontocerebellarCysterna interpeduncullarCysterna chiasmaticaCysterna pericallosaCysterna quadrigeminalCysterna ambiensCysterna lumbalisAliran LCSPlexus choroideus di ventrikulus lateralis (sel epitel choroid) foramen interventrikulare ventrikulus tertius aqueductus cerebri ventrikulus quartus appertura mediana dan appertura lateralis spasium subarachnoidea cysterna subarachnoidea granulationes arachnoidea sistem vena