Dpx, Dentary process of prePalatine process of pre maxilla.
Dentary movably attached to the tip of the articular bone of the mandible.
The maxillary and dentary bones carry teeth on their whole length.
Asia and Central America is remarkable for having the dentary bones loosely attached to the apex of the elongated articular bone.
The fate of the reptilian quadrate bone (which is reduced to very small dimensions in the Anomodontia) has been referred to in an earlier section of the present article, where some mention has also been made of the disappearance in mammals of the hinder elements of the reptilian lower jaw, so as to leave the single bone (dentary) of each half of this part of the skeleton in mammals.