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Mental Tubercle
The mandibular symphysis divides below and encloses a triangular eminence, the mental protuberance The symphysis of the external surface of the mandible divides below and encloses a triangular eminence, the mental protuberance, the base of which is depressed in the center but raised on either side to form the ''mental tubercle The mandibular s ..., the base of which is depressed in the center but raised on either side to form the mental tubercle. The two mental tubercles along with the medial mental protuberance are collectively called the mental trigone. References External links Diagram at face-and-emotion.com(Item #1) Bones of the head and neck {{musculoskeletal-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mandibular Symphysis
In human anatomy, the facial skeleton of the skull the external surface of the mandible is marked in the median line by a faint ridge, indicating the mandibular symphysis (Latin: ''symphysis menti'') or line of junction where the two lateral halves of the mandible typically fuse at an early period of life (1-2 years). It is not a true symphysis as there is no cartilage between the two sides of the mandible. This ridge divides below and encloses a triangular eminence, the mental protuberance, the base of which is depressed in the center but raised on either side to form the mental tubercle. The lowest (most inferior) end of the mandibular symphysis — the point of the chin — is called the "menton". It serves as the origin for the geniohyoid and the genioglossus muscles. Other animals Solitary mammalian carnivores that rely on a powerful canine bite to subdue their prey have a strong mandibular symphysis, while pack hunters delivering shallow bites have a weaker one. When filter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mental Protuberance
The symphysis of the external surface of the mandible divides below and encloses a triangular eminence, the mental protuberance, the base of which is depressed in the center but raised on either side to form the ''mental tubercle The mandibular symphysis divides below and encloses a triangular eminence, the mental protuberance The symphysis of the external surface of the mandible divides below and encloses a triangular eminence, the mental protuberance, the base of which ...''. The size and shape of the bones making up this structure are responsible for the size and shape of a person's chin. Synonyms of ''mental protuberance'' include ''mental process'' and ''protuberantia mentalis.'' ''Mental'' in this sense derives from Latin ''mentum'' (chin), not ''mens'' (mind), source of the more common meaning of ''mental''. References * External links * Bones of the head and neck {{musculoskeletal-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
