BONES. 



339 



Fig. 2. Represents a Front View of the male Skeleton. 



HEAD AND NECK. 7i, The ulna. 



a, The frontal bone. 0, The radius. 



b, The parietal bone. 



c, Orbit of the eye. 



d, The temporal bone. 



e, The lower jaw. 



f, Vertebrae of the neck. 



TRUNK. 



g, The left clavicle, or col- 



lar bone. 

 h, The right scapula, or 



shoulder-blade. 

 k, The lumbar vertebrae. 

 /, The left ilium, or hip 



bone. 

 m, The right ilium. 



UPPER EXTREMITY. 



t, The humerus, or arm 

 bone. 



The sternum, or breast bone, on which the ribs meet, 

 requires no reference. 



Fig. 1 represents the principal sutures seen from 

 above. The coronal suture a, a, passes in nearly a trans- 

 verse line across the front part of the skull, and joins the 

 frontal bone a, a, with the parietal bones. 



The sagittal suture, or arrow-shaped, b, so named from 

 ks being straight like an arrow, extends from the middle 

 of the superior margin of the frontal, to the angle of the 

 occipital bone. It joins the two parietal, or wall bones, 

 which form the sides of the skull, along the cranium. 



The lambdoidal -suture, c, c, so named from its resem- 

 blance to the Greek letter lambda, commences at the ter- 

 mination of the sagittal suture, and extends on each side 



p, The wrist, or carpus. 

 q, The metacarpus, or hand. 

 r, The phalanges, or fin- 

 gers. 



LOWER EXTREMITY. 



5, The femur, or thigh bone. 

 t, The patella, or knee-pan. 

 u, The tibia, or large bone 



of the leg. 

 v, The fibula, or small bone 



of the leg. 



w, The tarsus, or instep. 

 x, The metatarsus, or bones 



of the foot. 

 y, The phalanges of the 



toes 



What is the meaning of sutures ? 

 bones do the coronal suture join ? 

 What hones do the sagittal suture join ? 

 suture join ? What are theossa rriquetra 



How do the sutures originate ? What 

 Why is the sagittal suture so called ? 

 ' What bones does the lambdoidal 

 What the squamous suture ? 



