502 



OPERATIONS ON THE OIKCULATOKY SYSTEM. 



Fig. 445.— Anatomy of the Internal Saphena Vein, s, internal saphena vein; e, its 

 anterior root; t, its posterior root; /, femoral vein; g, deep inguinal lymphatic glands; 

 c, short adductor of the leg; I, long adductor of the leg; a, subcutaneous aponeurotic 

 layer; r, fascia lata. 



flat of the thigh that it must be oi^ened. If the operation is per- 

 formed with the fleam, the higher the better ; if with the lancet, 

 it can be done as the vein passes over the tibia, where it is more 

 accessible. 



In oj)erating, the leg opjoosite the one to be bled is held uj) 

 and backward by a strong assistant, in the posture of the black- 

 smith about putting on a shoe. 



