40 Arterial Supply to the Larynx

Question 1

Identify 1 - 3

Answer 1

1. External carotid a.
2. Superior laryngeal a.
3. Superior thyroid a.

Question 2

Identify 6 - 8

Answer 2

6. Internal laryngeal n.
7. Recurrent laryngeal n.
8. Inferior laryngeal a.

Question 3

Identify 4

Answer 3

4. Common carotid a..

Question 4

Identify 5

Answer 4

5. Internal carotid a.

Question 5

Source of Superior laryngeal artery

Answer 5

Superior thyroid a., which arises from external carotid a.

Question 6

Course of Superior laryngeal artery

Answer 6

Passes through thyrohyoid membrane with internal laryngeal n. to enter deep surface of larynx

Question 7

Source of Inferior laryngeal artery

Answer 7

Inferior thyroid a., which arises from thyrocervical trunk

Question 8

Course of Inferior laryngeal artery

Answer 8

Passes superiorly on trachea to reach posterior border of larynx
-> Lies immediately deep to inferior constrictor m. traveling beside recurrent laryngeal n