external topography of the brainstem Flashcards
midbrain anterior surface features
- crus cerebri of cerebral peduncles
- infundibulum (pituitary stalk)
- mammillary bodies
- interpeduncular fossa
- anterior perforated substance
midbrain - crus cerebri of cerebri peduncles
midbrain - infundibulum (pituitary stalk)
midbrain - mammillary bodies
midbrain - interpeduncular fossa
midbrain - anterior perforated substance
midbrain posterior surface features
- pineal body
- superior and inferior colliculi
- superior and inferior brachium
- superior cerebellar peduncle
- medial and lateral geniculate bodies
midbrain - pineal body
midbrain - superior and inferior colliculi
midbrain - superior and inferior brachium
midbrain - superior cerebellar peduncle
midbrain - medial and lateral geniculate bodies
midbrain cranial nerves
- CNIII (oculomotor)
- CNIV (trochlear)
CNIII (oculomotor nerve)
CNIV (trochlear nerve)
pons anterior surface features
- groove for basilary artery (basilar sulcus)
- pontomedullary junction
pons - groove for basilar artery (basilar sulcus)
pons - pontomedullary junction
pons posterior surface features
- middle and inferior cerebellar peduncles
- superior medullary velum
- median sulcus
- medial eminance
- sulcus limitans
- facial colliculus
- vestibular area
- striae medullares
- hypoglossal triangle (trigone of CNVII)
- vagal triangle (trigone of CNX)
pons - middle and inferior cerebellar peduncles
pons - superior medullary velum
pons - median sulcus
pons - medial eminence
pons - sulcus limitans