THE DARTOS. 



137 



rugaB of the scrotum are produced solely and exclusively 

 by the contraction of these minute fasciculi, which, espe- 

 cially after they have been coloured with carmine, can 

 very easily be distinguished from the connective tissue. 



They are of pretty nearly the same breadth, broader for 

 the most part than the bundles of connective tissue ; and 

 in them the individual elements are arranged in the 

 shape of long, smooth fibre-cells. Every muscular fasci- 

 culus, after it has been treated with acetic acid, presents 

 at regular intervals those peculiar, long, frequently 



Fig. 45. Section from the tunica dartos of the scrotum. Side by side and paral- 

 lel are seen, an artery (a), a vein (0), and a nerve () ; the first two with small 

 branches. On the right and left of them organic muscular fasciculi (m, m), and in 

 the interspaces soft connective tissue (c, c), with large anastomosing cells and fine 

 elastic fibres. 300 diameters. 



