The larynx Flashcards
Cartilages on posterior and anterior sides?
Posterior:
- Corniculate
- arytenoid
- Thyroid
- Cricoid
Anterior:
- arytenoid
- thyroid
- cricoid
which cartilage makes up Adams apple?
thyroid
which cartilage is paired?
arytenoid
which cartilage is a ring
cricoid
Ligaments of the larynx
Thyrohyoid
Cricothyroid
what are the ligaments made of?
Dense connective tissue
what makes up the larangeal inlet?
Anteriorly:
-epiglottis
Posteriorly:
- arytenoid cartilage
- Corniculate cartilage
Laterally:
-aryepiglottic fold
Lumen
Vestibule: from laryngeal inlet to the false vocal cord
Middle: between false and true vocal cord
Bottom: From true vocal cords to the lower border of cricoid cartilage
what do the intrinsic muscles of the larynx control?
The movement of the vocal cords
The opening of the laryngeal inlet
what innervates all the intrinsic muscle except one?
The recurrent larangeal nerve
which muscle is not innervated by the recurrent larangeal muscle? which nerve innervates it?
The cricothyoid muscle
Innervated by the superior larangeal nerve
positions of the vocal cords
- In normal breathing: vocal cords abducted
- In singing: vocal cords adducted
- In rapid breathing: vocal cords fully abducted
which nerve brings sensory information to the mucous layer of the larynx
The superior larangeal nerve
what happens when the recurrent larangeal nerve is cut?
loss of voice
