440 A MANUAL OF ANATOMY. 



turn to the perineum, and the gap left over the cord, 

 explains how extravasated urine may find its way from the 

 perineum into the scrotum, and even to the lower abdomi- 

 nal region. 



The Penis. Figs. 88 to 93. 



Is divided into the root or base, at the symphysis ; the 

 glans or head ; the neck, just back of the glans ; and the 

 body, between the neck and root. 



The penis is slung from the symphysis pubis by the 

 suspensory ligament, formed from the deep layer of 

 the superficial fascia (Scarpa's), of the abdomen. See 

 above. 



The integument covering the glans is called the pre- 

 puce or the foreskin. The angle of the penis is the bend 

 which the flaccid organ makes at the symphysis pubis. 



The Superficial Vessels and Nerves of the Penis. 

 The arteries are derived from the superficial external pudic, 

 the nerves from the terminal branch of the iliohypogastric. 

 The veins are venae comites of the arteries. 



The Sheaths of the Penis are described in connection 

 with the Corpus Sponglosum on page 414. 



DISSECTION. 



Incise the superficial fascia transversely at the level of the umbilicus and 

 vertically in the middle line. Reflect the several portions, leaving the lower 

 segment fastened by its lower attachments. Notice, (a) the iliohypogastric 

 nerve, which appears through the aponeurosis of the external oblique above 

 the spine of the pubes and passes to the dorsum of the penis. (Superficial 

 dorsal nerve of the penis.) (b] The gap in the superficial fascia over the sper- 

 matic cord, (c] The formation of the suspensory ligament of the penis. In- 

 cise the dartos sheath along the dorsum of the penis, reflect it laterally. It 

 will be found continuous with the superficial fascia of the abdomen and dartos 

 of the scrotum. 



