Geniohyoid Muscle
- Order:
- Duration: 0:58
- Published: 2009-06-03
- Uploaded: 2010-08-27
- Author: MedicineBoys
Learn about the Geniohyoid Muscle. Neck anatomy.
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- deglutition
- Genioglossus
- greater cornu
- hyoid bone
- hypoglossal nerve
- mental spine
- muscle
- mylohyoid muscle
- suprahyoid muscles
- Symphysis menti
Geniohyoid muscle
The Geniohyoid muscle is a narrow muscle situated superior to the medial border of the mylohyoid muscle. It is named for its passage from the chin ("genio-" is a standard prefix for "chin") to the hyoid bone.
Frontal section
Origin and insertion
It arises from the inferior mental spine, on the back of the symphysis menti, and runs backward and slightly downward, to be inserted into the anterior surface of the body of the hyoid bone; it lies in contact with its fellow of the opposite side. It thus belongs to the suprahyoid muscles. The nerve supply to geniohyoid is from C1 running with the hypoglossal nerve.Action
During the first act of deglutition, when the mass of food is being driven from the mouth into the pharynx, the hyoid bone and with it the tongue, is carried upward and forward by the anterior bellies of the Digastrici, the Mylohyoidei, and Geniohyoidei. It also assists in depressing the mandibleVariations
It may be blended with the one on opposite side or double; slips to greater cornu of hyoid bone and Genioglossus occur.Additional images
= References
External links
This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
Cat Dissection (neck mucles)
- Order: Reorder
- Duration: 0:43
- Published: 2009-07-15
- Uploaded: 2010-08-21
- Author: bubblebuii
Sternothryroid, sternohyoid, mylohoid, geniohyoid, and hyoglossus.
Cat:Neck, Jaw, Abdominal, & Arm Muscles
- Order: Reorder
- Duration: 8:46
- Published: 2010-10-21
- Uploaded: 2010-10-21
- Author: jadedshoul
Human A/PI Cat Dissection on Oct. 20, 10. Neck, Jaw, & Face muscles: sternomastoid, sternohyoid, sternothyroid, mylohyoid, digastric, masseter, parotid gland, submandibular gland, lymph nodes, thyrohoid, cricothyroid, cleidomastoid, geniohyoid, stylohyoid Abdominal muscles: external oblique, internal oblique, and transversus abdominis Arm muscles: triceps brachii (long, lateral, medial) brachialis, anconeus, brachioradialis, extensor carpi radialis, extensor digitorum communis, extensor digitorum lateralis, extensor carpi ulnaris, epitrochlearis, biceps brachii, pronator teres, flexor carpi radialis, palmaris longus
Cat Dissection part 1
- Order: Reorder
- Duration: 1:30
- Published: 2010-10-15
- Uploaded: 2010-10-16
- Author: anniedjohn
Neck muscles: masseter, sternomastoid, sternohyoid, thyrohyoid, sternothyroid, digastric, mylohyoid, geniohyoid
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