External structures Central lobule Anterior lobe Inferior surface Superior vermis -Wing of central lobule Lingula(I) -Superior Superior medullary velum Middle Cerebellar peduncles Inferior Flocculus (HX) Flocculonodular lobe 4th ventricle Posterolateral(dorsolateral) Inferior medullary velum fissure Nodule (X) Retrotonsillar fissure Inferior Uvula(IX)- Posterior lobe vermis -Tonsil Pyramid (VIll) Biventer lobule (H VIlI) Tuber(VII B) Secondary(postpyramidal) fissure Posterior cerebellar notch Horizontal fissure Inferior semilunar (caudal)lobule (H VII B) Lobules of cerebellum:Anterior lobe,posterior lobe,flocculonodular lobe. Posterolateral fissure
External structures Lobules of cerebellum: Anterior lobe, posterior lobe, flocculonodular lobe. Posterolateral fissure
External structures ·Tonsil of cerebellum two elevated masses on inferior surface of hemispheric portion, just nearby foramen magnum 。 Cerebellar tonsilar hernia
External structures • Tonsil of cerebellum two elevated masses on inferior surface of hemispheric portion, just nearby foramen magnum • Cerebellar tonsilar hernia
Internal structures Cerebellar cortex-gray matter Granular layer,piriform(Purkinje)cell layer,molecular layer Cerebellar medulla-white matter Superior Middle Inferior cerebellar peduncles ● Cerebellar nuclei-gray matter within white matter Fastigial,globose,emboliform,dentate nuclei Interposed nucleus
Internal structures • Cerebellar cortex – gray matter Granular layer, piriform (Purkinje) cell layer, molecular layer • Cerebellar medulla – white matter Superior / Middle / Inferior cerebellar peduncles • Cerebellar nuclei – gray matter within white matter Fastigial, globose, emboliform, dentate nuclei Interposed nucleus
Cerebellar cortex Molecular layer Stellate cel Piriform urkini cell layer Granular layer White matter Climbing iber
Cerebellar cortex Molecular layer Piriform cell layer Granular layer White matter
Cerebellar nuclei Decussation of Cerebral crus superior cerebellar peduncles Medial longitudinal fasciculus 4th ventricle Nuclear layer of Superior medullary velum medulla oblongata Fastigial- Superior cerebellar peduncle Globose Cerebellar nuclei Lingula (I) Dentate- Vermis Emboliform. Fastigial,globose,emboliform,dentate nuclei
Cerebellar nuclei Fastigial, globose, emboliform, dentate nuclei