Larynx Flashcards
what is the function of the larynx?
- allows air passage in & out of the trachea
- protective sphincter preventing foreign bodies entering airway
- organ of phonation
what lies superiorly to the larynx?
laryngopharynx
what lies inferiorly to the larynx?
trachea
what types of cartilage are found in the larynx?
- hyaline cartilage
- elastic cartilage
what makes the cricoid cartilage?
its a complete ring
what are the different cartilages of the larynx?
- epiglottis
- thyroid cartilage
- cricoid cartilage
- arytenoid cartilage
what shields the arytenoid cartilage?
the thyroid cartilage
where is the emergency airway established in the larynx?
the median cricothyroid ligament
what larynx cartilage is elastic?
the epiglottis
what are the different membranes found in the larynx?
- thyrohyoid membrane
- quadrangular membrane
what ligaments are found in the larynx?
- median & lateral thyrohyoid ligaments
- cricothyroid ligament
- vocal ligament
where is the quadrangular membrane located?
from arytenoid cartilage to thyroid cartilage to epiglottis
what are the different folds of the larynx?
- aryepiglottic fold
- vestibular folds
- vocal folds
what fold of the larynx forms the laryngeal inlet?
the aryepiglottic fold
what is the laryngeal inlet?
formed by the aryepiglottic fold & is a protective sphincter of the larynx