THE TESTICLES AND THEIR CO VERINGS 



1375 



and robust it is short, corrugated, and closely applied to the testes. The wrinkles 

 in the scrotum are called rugae. 



The scrotum consists of two layers, the integument and the dartos. 



The integument is very thin, of a brownish color, and generally thrown into folds 

 or rugae. It is provided with sebaceous follicles, the secretion of which has a 

 peculiar odor, and is beset with thinly scattered, crisp hairs, the roots of which 

 may be seen through the skin. 



EXTERNAL 

 ABDOMINA 

 RING 



ACCESSORY 



SLIP OF 



ORIGIN OF 



CREMASTER 



MUSCLE 



SPERMATIC 

 CORD 



VAS 

 DCFERENS 



SPERMATIC 

 ARTERY 



NERVE FILAMENTS 

 OF SPERMATIC 

 PLEXUS 



CREMASTER. 

 MUSCLE 



DEFERENTIAL 

 ARTERY 



INFUNDIBULIFORM 

 FASCIA 



SPERMATIC 

 PLEXUS 



SEPTUM OF 

 SCROTUM 



FIG. 1124. The scrotum. The penis has been turned upward, and the anterior wall of the scrotum has been 

 removed. On the right side, the spermatic cord, the infundibuliform fascia, and the Cremaster muscle are dis- 

 played; on the left side, the infundibuliform fascia has been divided by a longitudinal incision passing along the 

 front of the cord and the testicle, and a portion of the parietal layer of the tunica vaginalis has been removed to 

 display the testicle and a portion of the head of the epididymis, which are covered by the visceral layer of the 

 tunica vaginalis. (Toldt.) 



The dartos (tunica dartos*) (Figs. 1123 and 1125) is a thin layer of loose vascular 

 tissue, containing smooth muscle tissue but no fat; it forms the proper tunic of 

 the scrotum, is continuous around the base of the scrotum, with the two layers of 

 the superficial fascia of the groin and perineum, and sends inward a distinct 

 mesal septum, the septum of the scrotum (septum scroti) (Fig. 1 123), which divides 

 it into two cavities for the two testes, the septum extending between the raphe 

 and the under surface of the penis as far as its root. 



