larynx

Question 1

What is the hyoid apparatus

Answer 1

Collection of bones & cartilage

Functions:
Supports tongue & larynx
Attachment point for muscles

Question 2

Label the image

Answer 2

Question 3

Label the image

Answer 3

Question 4

What is the larynx

Answer 4

Functions:
Breathing
Protection of lower airways
Swallowing
Formation of sound (Birds have syrinx that produces sound)

Suspended by hyoid bones which articulate with base of skull
Linked by synovial & cartilaginous bones

Question 5

Describe the innervation of the larynx

Answer 5

Cranial laryngeal nerve from vagus
Sensory innervation of laryngeal mucous membrane
Motor innervation of cricothyroideus

Recurrent laryngeal nerve
Innervation of all laryngeal muscles except cricothyroideus

Question 6

Describe musculature of the glottis

Answer 6

Cricoartytenoideus lateralis & cricothyroideus close glottis

Cricoartytenoideus dorsalis widens glottis