Triangle Contents

Question 0

Submental

Answer 0

1. Submental branch of facial A & V

2. Anterior Jugular vein (tributaries)

Question 1

Submandibular Triangle

Answer 1

1. Submandibular gland
2. Submandibular ganglion
3. Submandibular lymph nodes
4. Facial A & V
5. Submental A & V
6. Structures passing deep to mylohyoid (lingual N, submandibular duct, Hypoglossal N)
7. Mylohyoid N
8. N to Genihyoid (if leaves Hypoglossal N before post border of mylohyoid)

Question 2

Carotid

Answer 2

1. Common carotid A
2. Internal carotid A
3. Ext Carotid A and first 5 branches (superior thyroid A, ascending pharyngeal A, lingual A, facial A, occipital A)
4. Internal jugular vein & branches (facial V, lingual V, superior thyroid V, pharyngeal V)
5. Vagus N
6. Spinal Accessory N
7. Hypoglossal N
8. Ansa cervicalis
9. Int and ext branches of sup laryngeal nerve
10. Deep cervical lymph nodes
11. Superior cervical ganglion?

Question 3

Muscular

Answer 3

1. Some branches if sup. thyroid A (A to SCM)
2. Anterior Jugular V
3. Possibly branches of Ansa Cervicalis