Triangles of the neck

3. the triangle containing the thyroid, parathyroid glands and infrahoyids
5. nerve with roots C3, 4, 5
6. venous vessel found within the carotid sheath
9. muscle arising between the temporal bone, sternum and clavicle
11. cranial nerve found within the carotid sheath
12. the triangle bounded anteriorly and posteriorly by the digastric muscle
13. the brachial plexus arises between the anterior and middle muscle belly of

1. the triangle containing lymph nodes which drain the floor of the mouth and parts of the tongue
2. geniohyoid muscle can be categorised into this muscle group
4. the terminal branch of the medial cord of the brachial plexus
7. a space bounded anteriorly by buccopharyngeal fascia and posteriorly by alar fascia
8. the triangle bounded medially by sternocleidomastoid and posteriorly by the digastric muscle
10. vein which terminates by draining into the subclavian vein