Dissection of submental region

Relations of digastric and mylohyoid muscles, submaxillary gland and hyoid bone, anteroinferior view

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Image #67-6

Dissection of submental region

Relations of digastric and mylohyoid muscles, submaxillary gland and hyoid bone, anteroinferior view

The fascia has been cut away from the structures to the left of the midline.

1. Mentalis muscle and transverse mental muscle
2. Submental lymph nodes
3. Upper pointer: Midline raphe Lower pointer: Mylohyoid muscle left
4. Lymph node
5. Body hyoid bone (covered by fibrous tissue)
6. Anterior jugular vein
7. Superficial fascia (external layer)
8. Sternocleidomastoid muscle
9. Superficial fascia (middle layer)
10. Sternohyoid muscle right
11. Platysma (reflected)
12. Body of mandible
13. Anterior belly digastric muscle
14. External maxillary artery
15. Submandibular gland (lower pointer indicates cut edge of investing fascia)
16. Sternohyoid muscle left
17. Omohyoid muscle
18. Superior thyroid artery