Lecture 8 Flashcards
Fold that dips into the longitudinal fissure
Falx cerebri
Runs along the vermis of the cerebellum
Falx cerebelli
Horizontal dural fold extends into the transverse fissure
Tentorium cerebelli
Pathway of CSF
Choroid plexus > lateral ventricle > foramina of monro > 3rd ventricle > aqueduct of Sylvius > 4th ventricle > foramina Lushka or Foramina Magendie > subarachnoid space of spinal cord > brain > arachnoid villi
What are the cranial nerves?
(I) olfactory (II) optic (III) oculomotor (IV) trochlear (V) trigeminal (VI) abducens (VII)facial (VIII) vestibulocochlear (IX) glossopharyngeal (X) vagus (XI) spinal accessory (XII) hypoglossal
Narrowest point of larynx
In adult, b/w vocal cords
In children, below cords at cricoid
Aortic cross clamping can disrupt the flow through _____
Artery of Adamkiewicz
May lead to paraplegia
Cranial nerve (I)
Olfactory
Function: smell
Type: sensory
Cranial nerve (II)
Optic
Function: sight
Type: sensory
Cranial nerve (III)
Oculomotor
Function: eye movement, pupil constriction, accommodation, eyelid opening
Type: motor
Cranial nerve (IV)
Trochlear
Function: supplies superior oblique
Type: motor
Cranial nerve (V)
Trigeminal
Function: mastication, facial sensation
Type: both
Cranial nerve (VI)
Abducens
Function: supplies lateral rectus
Type: motor
Cranial nerve (VII)
Facial
Function: facial movement, anterior 2/3 taste, lacrimation, salivation, eye lid closing
Type: both
Cranial nerve (VIII)
Vestibulocochlear
Function: hearing, balance
Type: sensory
Cranial nerve (IX)
Glossopharyngeal
Function: posterior 1/3 of taste, swallowing, gag reflex, salivation, monitoring carotid bodies/sinuses
Type: both