18-B Larnyx Flashcards
What is the primary function of the larynx?
prevent aspiration of food into the lungs
Name the entrance to the larynx.
aditus
Name the opening between the epiglottis and vocal folds
vestbule
Name the space between false and true vocal folds
ventricle
What is the rima glottidis?
perimeter of the opening formed by vocal folds
What is the function of the hyoid?
anchors the muscles of the tongue and anchors the larynx
Describe the hyoid’s bone and musclar attachments.
no bony articulations and nine (pairs) of muscle attachments
What anatomical features are required for concurrent breathing and swallowing?
touching of uvula and epiglottis as in infants
What is the epiglottis made of?
elastic cartilage
What are the three parts of the thyroid cartilage?
superior horns, laminae and inferior horns (important for muscle attachment and articulation with cricoid cartilage)
Name the only cartilage that completely encloses the airway
cricoid cartilage
What are the two joints in the cricoid cartilage?
cricoarytenoid joints and the cricothyroid joint
Name the cartilage that is a chief mover of the vocal cords.
arytenoid cartilages
Name the 3 processes of the arytenoid cartilages and their functions
apex, vocal process (attachment of vocal cords) and muscular process (place of muscular attachment)
Vocal ligaments are formed by the edge of which ligament?
cricothyroid ligament