Larynx And Pharynx Flashcards
What is the pharynx
The region where the respiratory and digestive tracts intersect at the head
What is the hard palate
Separates nasal and oral cavities
What is the soft palate
Separates the oropharynx and nasopharynx
Where is the laryngopharynx
Dorsal to the larynx
What is the palatoglossal arch
A fold of mucosa extending from the palate to the tongue
What is the function of the larynx
Connects the pharynx to the trachea
- helps prevent food from entering the trachea and for vocalization
What type of cartilage makes up the epiglottis
Elastic cartilage
What are the cartilages of the larynx
Epiglottis
Arytenoid
Thyroid
Cricoid
What are the mucosal folds of the larynx
Vestibular folds
Laryngeal ventricle
Vocal folds
What mucosal fold of the larynx can be closed off or opened widely
Vocal folds
What is the function of the intrinsic muscles of the larynx
Open or close glottic cleft
Adjust tension of vocal cords
What is the function of the cricoartyenoideus dorsalis
To Open or abduct the vocal folds to widen the airway
What is the function of the cricoarytenoideus lateralis
To close or adduct the vocal folds to close off airway
What is the function of the cricothyroideus
To tense
What is the hyoid apparatus
A collection of small bones that suspends the larynx at the base of the tongue
- attachment for sternohyoideus and sternothyroideus muscles