Bassett Collection of Stereoscopic Images of Human Anatomy

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Dissection of anterior and lateral regions of neck

Infrahyoid muscles, anterior view

Image #73-6

KEYWORDS: Fascia and connective tissue, Muscles and tendons, Throat.

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Dissection of anterior and lateral regions of neck

Infrahyoid muscles, anterior view

The middle layer of cervical fascia has been partially removed from the left side to expose the sternohyoid and omohyoid muscles. On the right side the middle layer of cervical fascia (7) has been reflected to expose a thin, intrinsic fascia over the sternohyoid muscle.

1 .	Mylohyoid muscle left
2 .	Platysma
3 .	Submental lymph node
4 .	Superficial fascia (external layer)
5 .	External jugular vein
6 .	Sternocleidomastoid muscle
7 .	Superficial fascia (middle layer)
8 .	Upper pointer: Intrinsic fascia of sternohyoid muscle Lower pointer: Sternohyoid muscle
9 .	Supraclavicular nerves
10 .	Clavicle right
11 .	Clavicular part pectoralis major muscle
12 .	External maxillary artery
13 .	Body of mandible
14 .	Anterior belly digastric muscle
15 .	Submandibular gland
16 .	Hyoid bone (covered by dense fibrous tissue)
17 .	Internal jugular vein
18 .	Descending branch hypoglossal nerve
19 .	Sternocleidomastoid muscle (reflected)
20 .	Prevertebral fascia
21 .	Omohyoid muscle
22 .	Sternohyoid muscle
23 .	Superficial fascia (middle layer)
24 .	Clavicle left
25 .	Sternoclavicular ligament
26 .	Manubrium of sternum