Jaw - Definition


The jaw includes two arcs of bone in the mouth where the teeth are located. Consists of two opposable parts, the jaw is mainly used for taking, moving and chewing food. Mammals are provided with a lower jaw and an upper jaw. The first uses mobile entity that enables the temporal bone. The upper jaw, it is composed of two bone commingled with a natural suture. In the case of an imperfect suture, one speaks of cleft palate or cleft lip, two malformations of the jaw and mouth.


Original article published by Jeff. Translated by Crashounette. Latest update on August 20, 2014 at 05:43 AM by christelle.b.
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