Prelim | Respiratory System | Larynx Flashcards
Other term for the larynx
Voicebox
Size (dimesnsions) of the larynx
4-5 cm in length and width (smaller in women)
Shape of the larynx
Tubular
Location of the larynx
Midline of the neck anterior to the esophagus and the 4th through 6th cervical vertebrae (C4-C6)
Composition of the larynx
Wall: 9 cartilages
Functions of the larynx
- Passageway of air connecting laryngopharynx and trachea
Lining of the larynx superior to vocal folds
Nonkeratizined stratified squamous epithelium
Linings of the larynx inferior ro vocal folds
Pseudostratified ciliated columnar epithelium consisting of ciliated columnar cells, goblet cells, and basal cells
Responsible for producing new cells
Basal cells
Horseshoe-shaped structure
Hyoid bone
The hyoid bone serves as an attachment structure for the (1) and muscles in the floor of the (2) above, the (3) below, and the (4) and (5 behind.
- tongue
- oral cavity
- larynx
- epiglottis
- pharynx
9 cartilages of the larynx
Paired
1. Arytenoid cartilage
2. Corniculate cartilage
3. Cuneiform cartilage
Unpaired
7. Thyroid cartilage
8. Cricoid cartilage
9. Epiglottis
Of the paired cartilages of the larynx, the — are the most important because they influence changes in position and tension of the vocal folds (true vocal
cords for speech).
arytenoid cartilages
Most prominent part of the larynx
Thyroid cartilage
Ligament connecting the thyroid cartilage to the hyoid bone
Thyrohyoid membrane
Other term for thryoid cartilage
Adam’s apple
Cartilage type of the thyroid cartilage
2 plates of hyaline
Shape of the thyroid cartilage
Triangular/ shield-shaped
Anatomy of the thyroid cartilage
- Laryngeal prominence
- Thyrohyoid membrane
What type of cartilage is the epiglottis?
Elastic
Shape of the epiglottis
Leaf-shaped
Anatomy of the epiglottis
- Glottis
- Rima glotidis