Dissection of oral region
Nerve supply to geniohyoid and hyoglossus muscles, left lateral view
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Image #70-1
Dissection of oral region
Nerve supply to geniohyoid and hyoglossus muscles, left lateral view
The lingual and hypoglossal nerves have been elevated.
- Mucosa of hard palate
- Transverse palatine fold
- Tongue
- Medial incisor
- Genioglossus muscle
- Sublingual artery
- Geniohyoid muscle (fascicles separated to expose nerves)
- Hyoid bone
- Thyroid cartilage
- Anterior palatine nerve
- Lingual nerve
- Buccopharyngeal fascia
- Styloglossus muscle
- Ascending palatine artery
- Upper pointer: Posterior facial vein Lower pointer: External maxillary artery
- Upper pointer: External carotid artery Lower pointer: Lingual artery
- Upper pointer: Hyoglossus muscle Lower pointer: Muscular branches of hypoglossal nerve
- Hypoglossal nerve (XII)
- Superior laryngeal nerve
- Superior thyroid artery
- Upper pointer: Cut end of stylohyoid muscle Lower pointer: Piriform recess (outer surface of mucosa)