Download - Power Ponit Cerebellum
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Prof. SHD*CEREBELLUM
Oleh
Prof. Dr. Satimin Hadiwidjaja, dr, PAK, MARSLaboratorium AnatomiFakultas Kedokteran Universitas Sebelas MaretSurakarta
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Prof. SHD*CEREBELLUM:- Berkembang dari metencephalon, bersama-sama dng Pons Varolli- Bersama-sama dng Pons Varoli dan medulla oblongata membatasi ventriculus quartus- Dipisahkan oleh tentorium cerebelli dng hemispherium cerebri; di atas vermis terdpt falx cerebelli- Vasc.: - a.cerebelli inf.or post.or (a.vertebralis) - a.cerebelli inf.or ant.or (a.basilaris) - a.cerebelli superior (a.basilaris)
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Prof. SHD*STRUKTUR CEREBELLUM:- Cortex cerebelli (= subst.grisea)- stratum moleculare- stratum ganglionare- stratum granulare- Corpus medullare (= subst.alba)- massa nuclei : - nucl.dentatus - nucl.emboliformis- nucl.globosus- nucl.festigii
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Prof. SHD*Cerebellum dilihat dari dorsal
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Prof. SHD*Cerebellum dilihat dari ventral
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Prof. SHD*PEMBAGIAN CEREBELLUMVERMISHEMISPHERIUM CEREBELLILob.ant.orLob.ant.or- Lingula- Vinculum lingulae- Lobulus centralis- Ala lobuli centralis- Culmen- lobulus quadrangulais sup.or=============== fissura prima =====================Lob.post.orLob.post.or- Declive- Lobulus quadrangularis inf.or- Folium- Lobulus semilunaris sup.or- Tuber- Lobulus semilunaris inf.or lobulus gracilis
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Prof. SHD*(lanjutan)===============sulc.prepyramidalis ===============- Pyramis- Lobulus biventer- Uvula- Tonsilla- Paraflocculus
==============fissura posterolateralis==============Lobulus flocculo-nodularisLobulus flocculo-nodularis- Nodulus- Flocculus
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Prof. SHD*PHYLOGENETIS CEREBELLUM:1. Paleocerebellum:LOBUS ANT.ORVERMISHEMISPHERIUM CEREBELLI- Lingula- Vinculum lingulae- Lobulus centralis- Ala lobuli centralis- Culmen- Lobulus quadrangularis sup.or2. Neocerebellum:LOBUS POSTERIORVERMISHEMISPHERIUM CEREBELLI- Declive- Lob.quadrangularis sup.or- Folium- Lob.semilunaris sup.or- Tuber - Lob.semilunaris inf.or + lob.gracilis- Pyramis- Lob.biventer- Uvula- Tonsilla & Paraflocculus
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Prof. SHD*3. ArchicerebellumLOBULUS FLOCCULONODULARISVERMISHEMISPHERIUM CEREBELLI- Nodulus- Flocculus
PEDUNCULUS CEREBELLARIS:1. Pedunculus cerebellaris sup.or (brachium conjunctivum)- tract.dentato-rubralis- tract.spinocerebellaris ventralis- tract.tectocerebellaris- tract.trigeminocerebellaris
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Prof. SHD*2. Pedunculus cerebellaris media (brachium pontis)- tract.corticopontocerebellaris
3. Pedunculus cerebellaris inf.or (corpus restiforme)- tract.vestibulocerebellaris direct/indirect- tract.spinocerebellaris dorsalis- tract.olivocerebellaris- tract.reticulocerebellaris- ser.arcuatus externus dorsalis- ser.arcuatus externus ventralis
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Prof. SHD*FUNGSI CEREBELLUM:- bertanggungjawab thd kerja otot synergis- koordinator thd kerja suatu kel.otot gerak teratur- membantu suatu gerakan sadar- sbg regulator aktivitas motorik integrasi dng syst.vestibulerGANGGUAN CEREBELLUM:- ataxia cerebellaris: - gangguan sikap & berjalan, decomposition of movement, dysmetria, dysdiadochokinetis, scanning speech- hypotonia- astenia- tremor intensi- nystagmus
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