PHARYNX/LARYNX (E3) Flashcards
What is the pharynx?
the common opening where the oral and respiratory pathways cross
What is the role of pharyngeal muscles?
they collectively surround the tongue and aid in swallowing. Also move the palate
if a muscle has “glossus” in the name it attaches to the….
tongue
if a muscle has “hyo/hyoideus” in the name it attaches to the….
basihyoid bone
if a muscle has “thyro/thyroideus” in the name it attaches to the….
thyroid cartilage of the larynx
if a muscle has “crico” in the name it attaches to the….
cricoid cartilage of the larynx
if a muscle has “arytennoideus” in the name it attaches to the….
arytenoid cartilage of the larynx
if a muscle has “pharyngeous” in the name it attaches to the….
esophagus (for swallowing)
if a muscle has “genio” in the name it attaches to the….
mandible
if a muscle has “mylo” in the name it attaches to the….
attaches near the molar teeth
What are the 2 roles of the larynx?
- protection of airway from ingesta
- vocalization
Rostral to caudal (starting at the hyoid apparatus) - what are the laryngeal cartilages?
epiglottis, thyroid, arytenoid, cricoid
function of the cricoarytenoideus dorsalis m?
opens the glottis
What happens if the cricoarytenoideus dorsalis m dysfunctions?
airway obstruction
function of cricoarytenoideus lateralis?
closes the glottis