50 



HITCHCOCK'S .ANATOMY 



Bones) are curved laminse or thin plates of bone, resembling 

 a loose scroll, and are found in each nostril, for the purpose 

 of affording as large a surface as possible for the expansion 

 of the mucous membrane of the nose, which contains the 

 nerves of smell. The name Turbinal or Turbinated is ap- 

 plied because of their scroll-like appearance. 



116. Superior Maxillary Bone.— The Superior Maxilla- 

 ries are the largest bones of the face, joining with each other 

 Fig. 58. Fig. 59. 



An External View of the Superior Max- 

 illa of the Left Side. 1, Orb i tar Process. 

 2, Infra-Orbitar Canal. 3, Space for the 

 Os Unguis. 4, Upper part of the Lachry- 

 mal Canal. 5, Nasal Process, ami Sur- 

 face for Articulating with the Os Frontis. 

 6, Surface for the Nasal Bone. 7, Anterior 

 portion of the Floor of the Nostril. 8, Sur- 

 face for Articulating with its Fellow. 9, Al- 

 veolar Process. 10, Points to the Depression 

 just below the Infra-Orbitar Foramen. 11, 

 Surface for the Malar Bone. 



The Inferior Maxillary Bone. 1, The 

 Body. 2, The Ramus. 3, The Symphy- 

 sis. 4, Alveolar Process. 5, Anteri»r 

 Mental Foramen. 6, The Base. 7, 

 Groove for the Facial Artery. 8, Tho 

 Angle. 9, Extremity of the Ridge for 

 the Mylo-IIyoid Muscle. 10, Coronoid 

 Process. 11, Condyle. 12, Neck of tho 

 Condyloid Process. 13, Posterior Men- 

 tal Foramen. 14, Groove for the Infe- 

 rior Maxillary Nerve. 15, Molar Teeth. 

 16, Bicuspidate Teeth. 17, 18, Middle 

 and Lateral Incisors. 



on the median line, and thus form a portion of the roof of 

 the mouth. Each one of them articulates with eight teeth, 

 with all the bones of the face but the lower jaw, and two of 

 the cranium. Their name is from the Latin, Maxilla, a 

 ' 4 jaw/ 7 and both of them constitute the upper jaw. 



117. riandiblc- — The Inferior Maxillary, or lower jaw, is 



116. How arc the Superior Maxillaries situated? How many teeth are found in each, 

 of them? 111. Describe the Mandible. 



