Larynx and hyoid apparatus Flashcards
1
Q
What are the functions of the larynx?
A
- Connection of pharynx and trachea
- Breathing
- Protection of lower airways
- Swallowing
2
Q
What is the relationship between the larynx and hyoid apparatus?
A
The hyoid apparatus suspends the larynx i.e. moves it backwards and forwards
3
Q
How is the hyoid apparatus fixed in place?
A
Suspended by hyoid bones that articulate with the temporal bone
4
Q
What types of joints are in the hyoid apparatus?
A
Synovial and cartilaginous
5
Q
List the bones within the dog and cat hyoid apparatus?
A
- Tympanohyoid
- Stylohyoid
- Epihyoid
- Ceratohyoid
- Basihyoid (unpaired)
- Thyrohyoid
6
Q
How is the horse hyoid apparatus different?
A
The epihyoid is almost gone
7
Q
How is the bovine hyoid apparatus different?
A
The epihyoid and stylohyoid are equal
8
Q
What structures of the larynx are made of hyaline cartilage?
A
- Thyroid cartilage
- Cricoid cartilage
- Paired arytenoid ca
