Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
Structures at the opening of the larynx |
Cuneiform processes of the arytenoid cartilage Epiglottis Glottis (opening) |
|
|
Rostral to the glottis |
Laryngeal vestibule |
|
|
Caudal to the glottis |
Infraglottic cavity |
|
|
Cartilage of cricoid cartilage |
Hyaline cartilage - white and shiny
|
|
|
Cartilage of the epiglottis and cuneiform processes |
Fibroelastic cartilage - grayish |
|
|
Arrangement of laryngeal cartilages (cranial to caudal) |
Hyoid apparatus - epiglottis - thyroid cartilage - arytenoid cartilage - cricoid cartilage - tracheal rings |
|
|
Hyoid apparatus |
Articulates and suspends larynx from skull Swing-like structure
|
|
|
Epiglottis |
Above the glottis |
|
|
Thyroid cartilage |
Shield-like |
|
|
Arytenoid cartilage |
PAIRED Jug-like Medial to thyroid cartilage |
|
|
Cricoid cartilage |
COMPLETE ring Large plate on bottom, narrower at top |
|
|
Tracheal rings |
INCOMPLETE RINGS Hyaline Articulates with cricoid cartilage |
|
|
Three articulations of the larynx cartilage What kind of joints are these? |
1. Thyro-hyoid articulation 2. Crico-thyroid articulation - lateral wall of cricoid 3. Crico-arytenoid articulation - medial wall of cricoid True synovial joints! |
|
|
Hyoid apparatus (horse and larger animals) |
From attachment to thyroid cartilage: Thyrohyoid bone Basihyoid bone (with lingual process - tongue) Keratohyoid bone Stylohyoid bone - divides guttural pouch |
|
|
Hyoid apparatus (in dogs) |
No lingual process of basihyoid bone epihyoids between keratohyoid and stylohyoid bones |
|
|
Thyroid cartilage in horses |
Has a large notch ventrally - used by surgeons to access the larynx |
|
|
Opening in lateral wall of larynx What species don't have this opening? |
Laryngeal ventricle Cats and cows DO NOT have this opening (vestibular folds and vocal folds still present) |
|
|
Caudal to the laryngeal ventricle |
Vocal folds |
|
|
Boundaries of glottic cleft |
Vocal fold and arytenoid cartilage |
