Lingual Artery

Question 1

Origin

Answer 1

1. ECA opposite tip of hyoid greater horn
2. It may arise from common stem with facial artery

Question 2

Courses and parts

Answer 2

Divided by Hyoglossus into 3 parts

Question 3

1st part

Answer 3

1. From origin to posterior border Hyoglossus
2. Either convex upwards or making S-shaped loop
3. Lying on middle constrictor
4. Crossed by hypoglossal nerve

Question 4

2nd part

Answer 4

Runs forwards deep to Hyoglossus

Question 5

3rd part

Answer 5

1. Ascends along anterior border Hyoglossus
2. Lying on genioglossus
3. Crossed by lingual nerve and submandibular duct
4. Enters tongue middle as deep artery of tongue (tortuous artery)
5. Running forwards to tip
6. Separated from mucosa of tongue lower surface by deep vein of tongue
7. Supply anterior part tongue
8. At tip, both lingual arteries anastomose

Question 6

1st part branches

Answer 6

Suprahyoid artery

Question 7

2 part branches

Answer 7

2 dorsal lingual arteries

Question 8

3rd part branches

Answer 8

Sublingual artery

Question 9

Suprahyoid artery

Answer 9

Runs along hyoid upper border on lateral surface Hyoglossus and anastomoses with opposite artery

Question 10

Dorsal lingual arteries

Answer 10

Supply:
1. Tongue posterior part
2. Palatine tonsil

Question 11

Sublingual artery

Answer 11

Supplies:
1. Sublingual gland
2. Mylohyoid mucosa
3. Buccal mucosa
4. Gingival mucosa
5. Branch which anastomose with submental artery