Larynx Navis' Packet midterm II Flashcards
(26 cards)
Dural venous sinuses are _____ lined spaces between the periosteal and meningeal layers of the dura.
Large veins from the surface of the brain empty into these sinuses and all blood from the brain ultimately drains through them into the __________
endothelium
internal jugular vein
Superior sagittal sinus lies in the convex attached border of the cerebral falx
It begins at the crista galli and ends near the_______ at the confluence of sinuses as the ________
internal occipital protuberance
right transverse sinus
______ is a meeting place of superior sagittal sinus, straight sinus, occipital sinus and transverse sinuses
Confluence of sinuses
Superior sagittal sinus receives superior cerebral _____
veins
________ is much smaller than the superior sagittal sinus, runs in the inferior concave free border of the cerebral falx and ends in the straight sinus
Inferior sagittal sinus
______ is an organ of voice production composed of nine cartilages, connected by membranes and ligaments
It is located in the anterior neck at the level of the bodies of ______vertebrae
Larynx
C3-C6
Skeleton of larynx consists of nine cartilages, three are single ___________ and three are paired _______
single- etc
epiglottis, thyroid, and cricoid
paired - ACC
arytenoid, corniculate and cuneiform
Thyroid cartilage is the largest, its superior border lies opposite the _____, attached to the hyoid bone by the thyrohyoid membrane
C4 vertebra
The thyrohyoid membrane is pierced by the internal laryngeal nerve and ________________
superior laryngeal artery
Cricoid cartilage is shaped like a _____ ring and its anterior part, the ____ and posterior part, the ______
signet
arch
lamina
_____ and _______cartilages appear as small nodules in the posterior part of the ary - epiglottic folds
Cuneiform and corniculate
_________ is a heart - shaped cartilage, situated posterior to the ________
Epiglottis
root of the tongue
Vocal folds (vocal cords) control the sound production, contains the vocal ___________ and _________ muscle
ligament and vocalis
Rima glottidis is a slit between the _______
vocal folds
All the intrinsic muscles are supplied by the recurrent laryngeal nerve except which one?
cricothyroid (supplied by external laryngeal nerve)
What muscle’s action is to stretch and tense the vocal ligament
cricothyroid
Thyro - arytenoid muscle nerve supply by the inferior laryngeal nerve (terminal part of _____________)
Action is to relax _____________
recurrent laryngeal nerve and its action is to relax the vocal ligament
Posterior cricoarytenoid and lateral cricoarytenoid nerve supply is
by the inferior laryngeal nerve (terminal part of recurrent laryngeal nerve)
Superior laryngeal artery is a branch of superior thyroid artery, it accompanies the __________ nerve
internal laryngeal nerve
Inferior laryngeal artery is a branch of inferior thyroid artery, it accompanies _____________, a terminal branch of recurrent laryngeal nerve
inferior laryngeal nerve
True or False? Veins of the larynx are the superior laryngeal and inferior laryngeal veins
True
Superior laryngeal nerve arises from _________ nerve, divides internal and external laryngeal nerves
vagus
Internal laryngeal nerve pierces the _________, with the superior laryngeal artery,and supplies sensory fibers to the mucous membrane_________
thyrohyoid membrane
superior to the vocal folds
External laryngeal nerve runs with the _________artery, supplies the inferior constrictor of pharynx and cricothyroid
superior thyroid