Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of oral region

Nerve supply to geniohyoid and hyoglossus muscles, left lateral view

Image #70-1

KEYWORDS: Cheek, Face, Mouth, Muscles and tendons, Peripheral nervous system.

Creative Commons

Stanford holds the copyright to the David L. Bassett anatomical images and has assigned Creative Commons license Attribution-Share Alike 4.0 International to all of the images.

Creative Commons License logo

For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.

Dissection of oral region
Nerve supply to geniohyoid and hyoglossus muscles, left lateral view
The lingual and hypoglossal nerves have been elevated.
1 . Mucosa of hard palate
2 . Transverse palatine fold
3 . Tongue
4 . Medial incisor
5 . Genioglossus muscle
6 . Sublingual artery
7 . Geniohyoid muscle (fascicles separated to expose nerves)
8 . Hyoid bone
9 . Thyroid cartilage
10 . Anterior palatine nerve
11 . Lingual nerve
12 . Buccopharyngeal fascia
13 . Styloglossus muscle
14 . Ascending palatine artery
15 . Upper pointer: Posterior facial vein Lower pointer: External maxillary artery
16 . Upper pointer: External carotid artery Lower pointer: Lingual artery
17 . Upper pointer: Hyoglossus muscle Lower pointer: Muscular branches of hypoglossal nerve
18 . Hypoglossal nerve (XII)
19 . Superior laryngeal nerve
20 . Superior thyroid artery
21 . Upper pointer: Cut end of stylohyoid muscle Lower pointer: Piriform recess (outer surface of mucosa)