1160 



MALE GENERATIVE ORGANS. 



passed under it, as high as is thought necessary, and the cord tied in two places, and divided 

 between the ligatures. Sometimes, in cases of malignant disease, it is desirable to open the 

 inguinal canal and tie the cord as near the internal abdominal ring as possible. 



VESICUKE SEMINA1ES. 



The Seminal Vesicles are two lobulated membranous pouches placed between the 

 base of the bladder and the rectum, serving as reservoirs for the semen, and secreting 

 a fluid to be added to the secretion of the testicles. Each sac is somewhat pyramidal 



Right Ejaculatory 

 duct. 



FIG. 741. Base of the bladder, with the vasa deferentia and vesiculee seminales. 



in form, the broad end being directed backward and the narrow end forward toward 

 the prostate. They measure about two and a half inches in length, about five lines 

 in breadth, and two or three lines in thickness. They vary, however, in size, 

 not only in different individuals, but also in the same individual on the two sides. 

 Their upper surface is in contact with the base of the bladder, extending from near 

 the termination of the ureters to the base of the prostate gland. Their under surface 

 rests upon the rectum, from which they are separated by the recto-vesical fascia. 

 Their posterior extremities diverge from each other. Their anterior extremities are 

 pointed, and converge toward the base of the prostate gland, where each joins with 

 the corresponding vas deferens to form the ejaculatory duct. Along the inner 

 margin of each vesicula runs the enlarged and convoluted vas deferens. The inner 

 border of the vesiculae and the corresponding vas deferens form the lateral 

 boundaries of a triangular space, limited behind by the recto-vesical peritoneal 

 fold ; the portion of the bladder included in this space rests on the rectum, its 

 antero-inferior portion corresponding with the trigonum vesicse in its interior. 



Each vesicula consists of a single tube, coiled upon itself and giving off several 

 irregular caecal diverticula, the separate coils, as well as the diverticula, being 

 connected together by fibrous tissue. When uncoiled this tube is about the 

 diameter of a quill, and varies in length from four to six inches ; it terminates 

 posteriorly in a cul-de-sac ; its anterior extremity becomes constricted into a nar- 

 row straight duct, which joins on its inner side with the corresponding vas deferens, 

 and forms the ejaculatory duct. 



The ejaculatory ducts, two in number, one on each side, are formed by the 

 junction of the ducts of the vesiculae seminales with the vasa deferentia. Each 

 duct is about three-quarters of an inch in length ; it commences at the base of the 

 prostate, and runs forward and downward between the middle and lateral lobes, and 

 along the side of the sinus pocularis, to terminate by a separate slit-like orifice close 



