THE INTERNAL SPERMATIC ARTERIES 601 



descend to the scrotum, the vessels become elongated, and are drawn with the 

 testis into the scrotum. 



The branches of the internal spermatic artery are: — (1) Ureteral; (2) cre- 

 masteric; (3) epididymal; and (4) testicular. 



(1) The ureteral are small branches given off to the ureter as the spermatic artery crosses 

 it. They anastomose with the other ureteral branches derived from the renal, common ihac, 

 and vesical arteries. 



(2) The cremasteric are small branches given off to the cremaster muscle; they anastomose 

 with the cremasteric branch of the inf. epigastric. 



Fig. 486.— The Ovarian Vessels. (After Clark.) 



(3) The epididynal are distributed to the epididymic, and anastomose with the deferential 

 artery. 



(4) The testicular arteries [aa. testiculares] are the terminal branches of the spermatic; 

 tney pertorate the tumca albuginea posteriorly, and are distributed to the body of the organ in 

 the way mentioned in the section on the Testis. 



The external spermatic artery is a branch of the inferior epigastric artery (p. 614). 



