ANATOMY OF THE HEART AND BLOOD-VESSELS . 299 



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 cephalic 



Bi 



bas 



cep 



FIG. 107. The superficial veins in front of the elbow-joint. B', tendon of biceps 

 muscle; Bi, brachialis internus muscle; Pt, pronator tercs muscle; 1, median nerve; 

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

 ing veins; cep, cephalic vein; bas, basilic vein; m', median vein; *, junction of a 

 deep-lying vein with the 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 saphenous vein, which can be seen in thin persons running 

 from the inner side of the ankle to the top of the thigh. All the 



