116 



COMPARATIVE PHYSIOLOaY. 



Fig. 184. — Dia^am of the mammalian type of male sexual organs (after Quain). Com- 

 pare with Figs. 133, 125. C. Cowper's gland of one side; cp, corpora cavernosa 

 penis, cut short; e, caput epididymis; g, gubemaculum; i, rectum; m., hydatid of 

 Morgagni, the persistent anterior end of the Mullerian duct, the conjoint posterior 

 ends OT which form the uterus mascullnua; pr, prostate gland; s, scrotum; sp, 

 corpus spongiosum nrethrse; t, testis (testicle) in the place of its original forma- 

 tion. The dotted line indicates the direction in which the testis and epididymis 

 change place in their descent from the ahdomen into the scrotum; vd, vas defer- 

 ens; vh, vas aberrans; vs, vasicula seminalis; W, remnants of Wolffian body (the 

 organ of GiraldSs or paradidymis of Waldeyer); 3, 4, 5, as in Fig. 125. 



sion, etc., of 

 figures. 



, may be learned from the accompanying 



Fig. 125.— Diagram of the mammalian type of female sexual organs (after Quain). 

 The dotted lines in one figure indicate functional organs in the other. (7, gland of 

 Bartholin (Cowper's gland); c. c, cori)U8 cavernosum clitoridis; dG, remains of the 

 left Wolffian duct, which may persist as the duct of Gaertner; /, abdominal open- 

 ing of left Fallopian tube; §-, round ligament (corresponding to the gubemacnluml; 

 A.nymen; i, rectum; /, labmm; m, cut Fallopian tube (ovidnct, or M"Bllerian duct) 

 of the right side; n, nympha; o, left ovary; po. parovarium; sc, vascular bulb or 

 corpus spongiosum; m, uterus; «;, vulva; va, vagina; W, scattered remains of Wol- 

 ffian tubes (paroophoron); w, cut end of vanished right Wolffian duct; 3, ureter;_4, 

 bladder passing below into the urethra ; 5, urachus, or remnant of stalk of allantois. 



