1
.
| Inferior alveolar nerve |
2
.
| Stylohyoid muscle |
3
.
| Upper pointer: Submandibular branch of external maxillary artery Lower pointer: Submandibular branches of submandibular ganglion |
4
.
| External maxillary artery |
5
.
| Mylohyoid muscle (posterior border) |
6
.
| Submandibular duct |
7
.
| Investing fascia of submandibular gland |
8
.
| Anterior belly digastric muscle |
9
.
| Hyoid bone (covered by fibrous tissue) |
10
.
| Mylohyoid muscle (near midline raphe) |
11
.
| Thyrohyoid muscle |
12
.
| Posterior belly of digastric muscle |
13
.
| Superior deep cervical lymph node |
14
.
| Prevertebral fascia |
15
.
| Internal jugular vein |
16
.
| Angle of mandible |
17
.
| Hypoglossal nerve (lingual branch) |
18
.
| Common facial vein |
19
.
| Lingual artery |
20
.
| Descending branch hypoglossal nerve |
21
.
| Anterior branch of cervical nerve III |
22
.
| Thyrohyoid branch hypoglossal nerve |
23
.
| Common carotid artery (covered by carotid sheath) |
24
.
| Anterior branch of cervical nerve IV |
25
.
| Superior thyroid artery |