Respiratory-4*
Terms
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- Larynx
- Voice box; a short passageway that connects the pharynx with the trachea
- Thyroid (adam's apple)
- 2 fused plates of hyaline cartilge forms anterior of larynx, gives a triangular shape; usually larger in males
- Epiglottis
- Stem attached to pharynx which moves up during swallowing;leaf shaped - elastic cartilage
- Cricoid
- Ring of hyaline cartilage forms inferior wall of larynx
- Single cartilage plates:
-
Thyroid
Epiglottis
Cricoid - Paired cartilage plates:
-
Arytenoids
Corniculates
Cuneiforms - Arytenoids
- Triangular pieces of mostly hyaline cartilage; ladle like
- Corniculates
- Elastic cartilage; small horn
- Cuneiforms
- Elastic cartilage; wedge shaped
- Mucous membrane folds:
-
Ventricular folds
Vocal folds - Ventricular folds
- "false vocal cords" upper pair of mucous membranes
- Rima vestibuli
- Space between ventricular folds
- Vocal folds
- "True vocal cords" lower pair of mucous membrances
- Rima Glottidis
- Space between vocal folds
- Laryngeal sinus
- Region between upper and lower vocal cords
- Glottis
- Consists of vocal folds and rima glottidis