| Mental spine | |
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| The posterior aspect of the mandible showing the mental spine. | |
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| A medial view of the mandible showing the attachments of geniohyoid and genioglossus. | |
| Latin | spinae mentalis |
| Gray's | subject #44 172 |
The mental spine is a small projection of bone on the posterior aspect of the mandible (jaw bone) in the midline. It is also known as the genial tubercle[1], genial apophysis and the Latin name spinae mentalis. The mental spine is the point of origin of the geniohyoid muscle[2], one of the suprahyoid muscles and the origin of the genioglossus muscle, one of the muscles of the tongue.
References
- ^ "Genial tubercle." The American Heritage Stedman's Medical Dictionary. Houghton Mifflin Company, 2002. http://www.answers.com/topic/mental-spine Accessed: 22 Oct. 2007.
- ^ "Genial tubercle." Mosby's Dental Dictionary. Elsevier, Inc., 2004. http://www.answers.com/topic/mental-spine Accessed: 22 Oct. 2007.
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