Term
cavernous-carotid AV fistula |
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Definition
tearing of the ICA in the cavernous sinus- leads to opthalmic vein--> pulsating exopthalmos |
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Term
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Definition
superior auricle of the ear |
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Term
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Definition
sensory of the back of the skull |
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Term
internal jugular vein goes through ______ |
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Definition
jugular foramen to meet the sigmoid sinus |
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Term
Kisselbach's area made up of (5) arteries |
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Definition
-anterior ethmoidal -posterior ethmoidal -sphenopalatine -greater palatine -superior labial |
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Term
why Kisselbach's area clinically important? |
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Definition
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Term
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Definition
spread of infection to the cavernous sinus |
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Term
runs through the cavernous sinus |
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Definition
V1, V2, III-VI, internal carotid |
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Term
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Definition
removal of the tonsils = necessary to ligate the tonsilar branch of the facial artery |
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Term
opthalmic veins spread infection to the ____ ____ |
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Definition
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Term
floor muscles of the posterior triangle |
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Definition
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Term
the ____ consistently runs in the posterior triangle of the neck |
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Definition
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Term
nerves of the posterior triangle (3) |
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Definition
brachial plexus, phrenic, cervical plexus |
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Term
CSF enters venous circulation through ____ _____ that drain to the SSS |
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Definition
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Term
causes of hydrocephalus (3) |
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Definition
-excess production of CSF -blockage of CSF circulation -deficiency in CSF reabsorption |
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Term
cerebromedullary cistern between medulla and cerebellum is called _____ ___ |
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Definition
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Term
lenticulostriate arteries of middle cerebral arteries |
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Definition
arteries of "cerebral hemorrhage" - arteries often that clog or supture in a stroke. |
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Term
middle cerebral artery supplies |
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Definition
most lateral surface of cerenbral cortex |
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Term
CN between posterior and superior cerebellar artery |
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Definition
II--> bitemporal hemianopsia -visual field defect from pituitary tumor because exerts pressure on optic chiasm |
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Term
external laryngeal nerve innervates ____ |
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Definition
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Term
___ laryngeal nerve and superior laryngeal artery pierce the thyrohyoid membrane |
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Definition
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Term
inferior laryngeal artery and nerve are below the ____ constrictor |
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Definition
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Term
right recurrent laryngeal n. is under the ____ artery |
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Definition
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Term
hard palate helps to break down food during ____ stage. Soft palate= ____ stage |
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Definition
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Term
posterior nasal drip and sore throat often give premise to this condition? |
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Definition
dysphagia- difficulty swallowing |
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Term
sensation from tonsil, pharynx, and middle ear |
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Definition
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Term
touch sensation of the eye |
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Definition
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Term
motor to trapezius of SCM |
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Definition
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Term
sensation from anterior 2/3rds of the tongue |
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Definition
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Term
sensation/taste from posterior 1/3 of the tongue |
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Definition
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Term
motor to strap muscles- CN ___ via ansa cervicalis |
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Definition
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Term
secretomotor to lacrimal gland is via ____ |
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Definition
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Term
motor to muscles of mastication |
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Definition
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Term
what attaches the thyroid cartilage to the hyoid bone and to cricoid cartilage? |
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Definition
thyrohyoid membrane and cricothyroid ligament |
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Term
what passes through a hole in the thyroihyoid membrane? |
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Definition
superior laryngeal artery and vein, internal branch of superior laryngeal nerve |
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Term
what are the 3 divisions of the larynx, and what structures form the borders of these divisions? |
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Definition
vestibular folds- false focal cords--> vestibule
vocal folds- true vocal cords--> ventricle
infraglottic cavity |
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Term
what intrinsic muscles are responsible for ADducting the vocal cords? |
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Definition
transverse arytenoid m. and lateral cricoarytenoid m. |
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Term
what instrinsic muscles are responsible for ABducting the vocal cords? |
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Definition
posterior cricoarytenoid muscle |
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Term
what muscles shorten the vocal cords? |
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Definition
thyroarytenoid m. and vocalis m. |
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Term
what muscles have fine control of vocal cords? |
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Definition
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Term
nerve that supplies sensory innervation to the vocal folds and below? |
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Definition
recurrent laryngeal nerve |
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Term
what separates the middle from the external ear? |
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Definition
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Term
connects the middle ear to the nasopharynx? |
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Definition
Eustachian tube- makes the pressure in the middle ear the same as atmospheric |
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Term
what are the two muscles of the middle ear? and what nerve innervates them? |
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Definition
tensor tympani- inserts on tympanic membrane. Innervated by V. stapedius- inserts on stapes- innervated by VII |
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Term
what is brought about by contraction of the tensor tympani? |
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Definition
dampens the oscillations of the tympanic membrane |
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Term
what does the stapedius do when it contracts? |
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Definition
stapedius changes the action of the stapes from a piston action to a rocking motion- this is to dampen the AMPLITUDE OF SOUND while the frequency is maintained. |
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Term
two potential openings separating the middle and inner ear? where does the stapes sit? |
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Definition
oval window; round window |
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Term
structures in the inner ear responsible for sound, linear acceleration and angular acceleration? |
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Definition
sound- cochlea linear acceleration- vestibule angular acceleration- semicircular canals |
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Term
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Definition
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Term
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Definition
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Term
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Definition
internal acoustic meatus--> stylomastoid foramen--> infratemporal fossa |
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Term
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Definition
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Term
XI goes through this big opening |
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Definition
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Term
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Definition
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Term
vertebral arteries pass through____ |
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Definition
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Term
what nerve supplies sensory innervation to the superior half of the ear auricle? |
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Definition
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Term
which nerve supplies sensory innervation over the back of the skull? |
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Definition
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Term
what nerve supplies sensory innervation over the anterior and lateral portions of the neck? |
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Definition
transverse cervical nerve |
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Term
what nerve supplies sensory innervation over the anterior and lateral portions of the neck? |
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Definition
transverse cervical nerve |
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Term
which artery supplies the lateral surface of the cerebral cortex? medial surface? |
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Definition
middle, anterior cerebral arteries |
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Term
what CN arises btw the posterior cerebral artery and superior cerebellar artery? |
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Definition
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