Larynx & Dentition Flashcards
What is the space between the epiglottis and tongue called?
-Vellecula
What connects the epiglottis to the hyoid?
-hyo-epiglottic ligament
At what vertebral levels is the lower edge of the cricoid cartilage?
-C6
Anything other than air and microscopic particles/ substances entering the ________ triggers contraction of the _________ and closure of the _________ –> protects the vocal fold
Vestibule
vestibular fold
transglottic space
What is another name for vestibule?
-Supraglottic space
What innervates the sensory of the trachea from the true vocal chords and down?
-Recurrent laryngeal nerve
What is the glottis?
-the sound producing part of the larynx
What carries sensory information from the area of the larynx above the true vocal chord?
-Internal branch of superior laryngeal nerve
What is the depression between the vestibular and vocal fold called?
-the Ventricle
What structure alters the position of the vocal folds during phonation?
-Arytenoid cartilage
What is the space between the vocal ligaments called?
-Rima glottidis
What is the false vocal fold?
- vestibular fold
- made of smooth muscle and fat
What is the function of the cricothyroid muscle?
- rock the thyroid cartilage downward and forwards, which stretches and thins the vocal ligament
- results in large change in pitch
What does the Aryepiglottis muscle do?
- it is too weak to pull down the epiglottis
- will contract to seal the edge of the aditus when a bolus pushes the epiglottis down
The __________ must be found and isolated before cutting into the trachea in a tracheotomy.
-inferior thyroid vein
