THE FACE 



for vessels and nerves. The jugular foramen is just back of the 

 carotid canal; through it the jugular vein leaves the skull to pass 

 downward in the neck. The interior surfaces of all cranial bones 

 show depressions for the convolutions of the brain. 



THE FACE 



(See Figs. 20, 24.) 



Beginning with the forehead, note the two frontal eminences, 

 and below these the superciliary arches with the glabella between 

 them. Still lower, the supraorbital arches, with the nasal notch 

 between them, to which the nasal bones are attached. Observe 



FIG. 2 2. SKULL OF NEW-BORN CHILD, 

 SHOWING FRONTAL FONTANELLE. 

 (Edgar.} 



FIG. 2 3. -^OCCIPITAL FONTANELLE. 

 Both cuts show moulding of the head. 

 (Edgar.} 



the lacrimal canal at the medial side of the orbit leading to the 

 nasal cavity. Below the orbit, locate the infraorbital foramen on 

 the surface of the maxilla and the mental foramen on the body of 

 the mandible. 



Remember that these three foramina transmit three very sensitive nerves, 

 as follows: The supraorbital nerve for the forehead, the infraorbital nerve for 

 the cheek, and the mental nerve for the lower lip and chin. (Blood-vessels 

 bearing the same names accompany these nerves.) 



The prominences at the sides of the cheeks are made by the 

 zygomatic bones. The openings of the nasal cavity are the 



anterior nares, within which may be seen the septum, and the 

 middle and inferior turbinated bones (shell bones). 



