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
pons - facial colliculus
pons - vestibular area
pons - striae medullares
pons - hypoglossal triangle (trigone of CNVII)
pons - vagal triangle (trigone of CNX)
pons cranial nerves
- CNV (trigeminal)
- CNVI (abducent)
- CNVII (facial)
- CNVIII (vestibulocochlear)
CNV (trigeminal nerve)
CNVI (abducent nerve)
CNVII (facial nerve)
CNVIII (vestibulocochlear nerve)
medulla anterior surface features
- ventral (anterior) median fissure
- pyramids
- olives
- decussation of pyramids
medulla - ventral (anterior) median fissure
medulla - pyramids
medulla - olives
medulla - decussation of pyramids
medulla posterior surface features
- gracile tubercle
- cuneate tubercle
- gracile fasciculus
- cuneate fasciculus
medulla - gracile tubercle
medulla - cuneate tubercle
medulla - gracile fasciculus
medulla - cuneate fasciculus
medulla cranial nerves
- CNIX (glossopharyngeal)
- CNXII (hypoglossal)
- CNX (vagus)
- CNXI (accessory)
CNIX (glossopharyngeal nerve)
CNXII (hypoglossal nerve)
CNX (vagus nerve)
CNXI (accessory nerve)
which foramen does CNI (olfactory nerve) pass-through
olfactory foramina in the cribriform plate
which foramen does CNII (optic nerve) pass-through
optic canal of sphenoid
which foramen does CNIII (occulomotor nerve) pass-through
superior orbital fissure
which foramen does CNIV (trochlear nerve) pass-through
superior orbital fissure
which foramen does CNV (trigeminal nerve) pass-through
- superior orbital fissure
- foramen rotundum
- foramen ovale
which foramen does CNVI (abducens nerve) pass-through
superior orbital fissure
which foramen does CNVII (facial nerve) pass-through
facial canal
which foramen does CNVIII (vestibulocochlear nerve) pass-through
internal auditory meatus
which foramen does CNIX (glossopharyngeal nerve) pass-through
jugular foramen
which foramen does CNX (vagus nerve) pass-through
jugular foramen
which foramen does CNXI (accessory nerve) pass-through
jugular foramen
which foramen does CNXII (hypoglossal nerve) pass-through
hypoglossal canal