m: brainstem / CN5 Flashcards by jasmine mander | Brainscape

Q

parts of brainstem

A

midbrain pons medulla

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Q

where is cerebellum attached

A

posterior surface of brainstem

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Q

is cerebellum in front of behind 4th ventral

A

behind

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Q

what ascending tracts are in brainstem

A

anterolateral systems
PCML
spinocerebllar

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Q

which descending tracts are in brainstem

A

corticospinal tract

corticobulbar tract

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Q

where do cerebellar connections come from

A

pontine nuclei

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Q

whats intrinsic system in brainstem

A

reticular formation
neurotransmitter system
central pattern generators

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Q

where are cranial nerve nuclei

A

brainstem

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Q

responsible for voluntert motor activity

A

corticospinal tract

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Q

where is corticospinal tract

A

under cerebral peduncles, bons and pyramids

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Q

where do corticopsinal fibres midline

A

caudal medulla (pyramid decssuation)

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Q

major feature of posterior surface midbrain

A

inferior superior colliculi

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Q

inferior colliculi

A

auditory pathway

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Q

superior colliculi

A

visual reflexes

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Q

cerebellar peduncles

A

in pons connect brainstem and cerebellum

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Q

name the 3 cerebellar peduncles

A

inferior middle superior

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Q

key features of caudal medulla

A

fas grace and cute

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Q

what separates fas grace and cute

A

posterior median sulcus

Q

Posterior column carry what

A

senior info (proprio, fine touch, disrcrminatve touch, vibration)

Q

where is 4th ventricle

A

over rostal medulla /pns

Q

where does the 4th ventricle open up

A

obey

Q

where does trigmenal nerve emerge from

A

mid pons

Q

where does trigemal sensory ganglion sit

A

floor or middle cranial fossa

Q

three branches of trigeminal

A

ophthalmic
maxillary
mandibular

Q

where does ophthalmic bench exit through

A

superior orbital fissure

Q

where does maxillary branch exit through

A

foramen rotunda

Q

where does mandibular exit through

A

foramen oval

Q

main sensory nerve of head

A

trigmenal

Q

whats sense does trigeminal carry

A

pain, temp
disc touch
vibration
proprio

Q

do all divisons of trigmeanl Carry the same

A

yes

Q

what does mandibular division do thats special

A

motor mm mastication

Q

what does trigemal carry

A

afferent sensory (GSA)
efferent motor
(SVE)

Q

whats GSA for trigeminal

A

general sensation from head and neck

Q

whats SVE for tigmenal

A

mm for mastication

Q

wheres trigmenal tract on caudal medulla

A

top corners

Q

where tract extend to

A

medulla to pons

Q

wheres tri nucleus

A

under top right corners

Q

chief nucleus trigmenal where

A

mid pons

Q

whats nucleus on trigmenal do

A

touch vibration

Q

theres motor nuclus of trigmeanl

A

mid pons

Q

wheres mesencephalic nucleus of trigeminal

A

caudal midbrain

Q

whats mesencephalic do

A

proprioception from mm of mastication

Q

whats on the inside nuclues or tract

A

nucleus

Q

top down wheres uncle of chief mesencephalic and motor

A

cheif, mesencepahic

motor