X CLOSE

Dissection of oral region

Nerve supply to geniohyoid and hyoglossus muscles, left lateral view

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

Image #70-1
Bassett ImageDiagram Image
Legend Image
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)