MENTAL SPINE Meaning and
Definition
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The term "mental spine" refers to a notable anatomical feature located in the lower jaw of some mammals, particularly primates. It is a bony projection present on the inner surface of the mandible, specifically near the midline where the left and right halves of the jaw meet. The mental spine serves as an attachment site for various muscles and ligaments involved in jaw movement and chewing.
The mental spine can vary in size and prominence between different species and even individuals within the same species. In some primates, such as humans, it is relatively small and indistinct. However, in other species like apes or certain monkeys, the mental spine can be more pronounced and robust.
Functionally, the mental spine plays a crucial role in facilitating the complex movements of the lower jaw during activities such as biting, chewing, and vocalizations. It acts as an anchor point for muscles responsible for mandibular movements and helps in stabilizing the jaw during forceful actions. The presence and size of the mental spine can offer clues about the dietary habits and biomechanics of an animal, as it indicates the strength and range of jaw motion required for processing specific types of food.
Overall, the mental spine is an important anatomical structure within the lower jaw of certain mammals, involved in the efficient functioning of the chewing apparatus and providing insights into an animal's adaptation to its ecological niche.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MENTAL SPINE
- nental spine
- kental spine
- jental spine
- mwntal spine
- msntal spine
- mdntal spine
- mrntal spine
- m4ntal spine
- m3ntal spine
- mebtal spine
- memtal spine
- mejtal spine
- mehtal spine
- menral spine
- menfal spine
- mengal spine
- menyal spine
- men6al spine
- men5al spine
- mentzl spine
