FARTHER DEVELOrMEXT OF THE UTERUS. 



821 



become more or less obliterated and abortive in different parts. The most con- 

 stant vestige of the "Wolffian bodies in the female is the now well-known body 

 of Rosenmiiller or Parovarium of Kobelt (Eosenmiiller, Quoidam de Ovariis 

 Embry. Human., Lipsiaj. 1802 ; Kobelt. der Nebeneierstock des Weibes, Heidelberg-, 

 1847), which has already been described at p. 480 of this volume, the ciHwj)horon 

 of Waldeyer, and which, being produced out of the same elements as the epididy- 

 mis of the male, presents a remarkable resemblance to that body. The canal 

 uniting the radiating tubes (coni vasculosi) of this organ is also usually persistent, 

 but ceases at a short distance below. In the sow and several ruminants, how- 

 ever, the subdivided upper tubular part or epoophoron has disappeared, and the 

 main tube (middle part of the Wolffian duct) remains in the (hu-t of Gaertner, a 

 strong, slightly undulated tube, which is traceable, first free in the broad ligament 



Fig. 614. 



Fig. 614. — Adult OvARr, Parovarium anu FalluI'Iaii Tube (from Farre, after 



Kobelt). 



a, a, Epoophoron (parovarium) formed from the xipper part of the Wolffian body ; 

 b, remains of the uppermost tubes sometimes forming hydatids ; c, middle set of tubes ; 

 d, some lower ati-ophied tubes ; c, atrophied remains of the Wolffian duct ; /, the terminal 

 bulb or hydatid ; h, the Fallopian tube, originally the duct of Midler ; i, hydatid 

 attached to the extremity ; I, the ovary. 



of the uterus, and lower down becoming incorporated with the wall of the uterus 

 and vagina, upon which last it is lost. 



The Male Passages. — The conversion of the Wolffian duct into 

 the vas deferens of the testicle was first demonstrated in animals by 

 Rathke, in correction of the views of J. Miiller (Meckel's Archiv, 1833), 

 and was further proved and illustrated by H. Meckel and Bidder (H. 

 Meckel, Zur Morphol. der Ham uud Geschlechts-Organe der Wirbel- 

 thiere, Halle, 1848 ; Bidder, Male Organs in the Amphibia, Dorpat, 

 184G). KuUiker showed that a similar process occurs in the human 

 embryo, and that a communication established between the seminal 

 tubes of the testicle (rete testis) and some of the upper tubes of the 

 Wolffian body gave rise to the epididymis. 



The observations of Cleland and Banks first pointed out clearly the 

 difference between the structure of the upper nonglomerular, or simpl}'' 

 tubular part of the Wolffian body, and that of the lov.er and glomerular, 

 or primordial-kidney part. 



