Cerebellum Small brain Fissures of cerebellum.

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Presentation transcript:

Cerebellum Small brain

Fissures of cerebellum

Lobules of Superior vermis 1-lingula 2-central 3-culmen 4-declive 5-foilum

Lobules of inferior vermis 1-tuber 2-pyramid 3-uvula 4-nodule

Lobules of Superior vermis and hemisphere 1-lingula 2-central…………..Ala 3-culmen………….quadrangular 4-declive…………..simplex 5-foilum……………superior semilunar

Lobules of inferior vermis and hemisphere 1-tuber…………..inferior semilunar 2-pyramid………biventral 3-uvula………….tonsile 4-nodule………..floculus

Fissures of cerebellum 1- primary fissure 2- horizontal fissure 3- postrolateral fissure

Division of cerebellum Based on morphology 1- anterior lobe 2- middle/posterior lobe 3-floculonodular

Division of cerebellum Based on development 1- Archiocerebellum (lingula + floculonodular). 2- Paleocerebellum(ant. Lobe – lingula + pyramid and uvula) 3-neocerebellum( post. Lobe – pyramid and uvula).

Division of cerebellum Based on physiology 1- vestibulocerebellum 2- spinocerebellum 3-pontocerebellum

Cross section of cerebellum Gray mater 1- cortex 2-deep nuclei (intracrebellar nuclei) White mater 1- lamina alba 2- corpus medullaris

Corpus medullaris 1- proper fibers ( association and commisural) 2- projecting fibers (cerebellar peduncles)