What is the mandible? The lower jaw bone consists of a body (corpus mandibulae), the rear ends of which merge into an ascending branch (ramus mandibulae) on both sides at the angle of the jaw (angulus mandibulae). The angle formed by the body and branch (angulus mandibulae) varies between 90 and 140 degrees depending on … Mandible: Anatomy & Function
What is the zygomatic bone? The zygomatic bone is a nearly square, paired bone of the facial skull. It owes its name to the fact that, like a yoke, it is the connection between the facial skull and the lateral skull wall. The zygomatic bone is the bony basis of the cheek and determines to … Zygomatic Bone & Zygomatic Arch: Anatomy and Function
What is the upper jaw? The maxilla, which consists of two bones, is part of the facial skull. It consists of a stocky body (corpus maxillae) with four surfaces (facies anterior, infratemporalis, orbitalis and nasalis) and four bony processes (processus frontalis, zygomaticus, alveolaris and palatinus) extending from this body. The maxillary body contains the paired … Upper Jaw (Maxilla): Anatomy & Function
What is the petrous bone? The petrous bone, pars petrosa, is one of three bones that make up the temporal bone. The other two bones are the pars tympanica and the pars squamosa. For the most part, the petrous bone projects into the interior of the bony skull (exception: mastoid process). The pars petrosa owes … Petrous bone (Petrous pyramid): Structure & Function
