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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.
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". [2] [3]
The mentalis muscle is a paired central muscle of the lower lip, situated at the tip of the chin. [1] It originates from the mentum of the mandible, and inserts into the soft tissue of the chin. It is sometimes referred to as the "pouting muscle" (as in duck face) due to it raising the lower lip and causing chin wrinkles.
A double chin is a loss of definition of the jawbone or soft tissue under the chin. There are two possible causes for a double chin, which have to be differentiated. In overweight people, commonly the layer of subcutaneous fat around the neck sags down and creates a wrinkle , creating the appearance of a second chin.
Protuberance may refer to: Mental protuberance; Occipital protuberances, of which may refer to Internal occipital protuberance; External occipital protuberance;
Kleiner Rubin suffered a broken jaw, shattered chin, ripped cheek and nearly severed tongue. Chandler later told CBS News that Bundy broke nearly every bone in her face (including her jaw), plus ...
“Similar to other acne, chin acne may be caused by a combination of factors including increased sebum production, clogged pores, inflammation, and bacteria,” says Marisa Garshick, M.D., F.A.A ...
The mandibular symphysis 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 two mental tubercles along with the medial mental protuberance are collectively called the mental trigone.