222 



THE HUMAN BODY. 



to form a more superficial network, joined here and there, as 

 for instance at *, by branches from deeper parts. Several 

 small nerve-branches which supply the skin (2, 3, 4) are seen 

 among these veins. It is from the vessel, cep, called the 



cep 



FIG. 94. The superficial veins in front of the elbow- joint. B', tendon of biceps 

 muscle; Bi, brachialis interims muscle;,, Pt, pronator teres muscle; 1, median 

 nerve; 2, 3, 4, nerve-branches to the skin; B, brachial artery, with its small accom- 

 panying veins; cep, cephalic vein; has, basilic vein; m', median vein; *, junction of 

 a deep-lying vein with the cephalic. 



cephalic vein, just above the point where it crosses the median 

 nerve, that surgeons usually bleed a patient. 



A great part of the blood of the lower limb is brought back 

 by the long saplienous vein, which can be seen in thin persons 

 running from the inner side of the ankle to the top of the 



