432 



Arteries of the Trunk. 



Testis 

 (fascia cremasterica) 



Peuis 

 (corpus cavernosiira 

 urethrae) 



M. bulbocavernosus 



M. ischiocavernosus 



Trigonum 

 urogenitale 



M. transversus 

 perinei superficialis 



M. sphincter ani _ 

 externus 



M. levator ani- 

 N. pudendns - 



M. glutaeus 

 inaximus 





Aa. scrotales 

 posteriores 



- - A. perinei 



- A. profunda penis 



- - A. dorsalis penis 

 A. urethralis 

 _ :_ A. penis 



- A. bulbi urethrae 



,.^1, A. pudenda 



^^^ interna 



A. 



haemorrhoidalis 



inferior 



Ligamentum 

 sacrotuberosum 



473. Arteries of the male perineum. 



(On the left side the dissection shows the ni. transversus perinei profundus ; the crus penis has 



been drawn aside.) 



ac) A. profunda 'penis arises close undtn- the ligamentum areuatum pubis, penetrates the 

 corpus caveniosum })enis on its medial surlace and runs in it partly backward, partly 

 forward close to the septum penis (see also Fig. 659) as far as its tip; its branches 

 anastomose with one anntlier and with those of the opposite side. 



