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The efferent ducts (also efferent ductules, ductuli efferentes, ductus efferentes, or vasa efferentia) connect the rete testis with the initial section of the epididymis. There are two basic designs for efferent ductule structure: a) multiple entries into the epididymis, as seen in most large mammals.
Nov 3, 2023 · Synonyms: Vasa efferentia testis From its superior end, the rete testis gives rise to 12-20 efferent ductules that penetrate the capsule and connect with the epididymis where sperm cells become mobile and gain the ability to fertilize an egg.
The male reproductive system includes testes, external genitalia, i.e. penis and accessory ducts, viz., rete testis, vasa efferentia, epididymis and vas deferens. Unlike the female reproductive system, most parts of the male reproductive system are located outside the body.
Jun 14, 2016 · The vasa efferentia and the proximal epididymis. In contrast to other mammalian species, the vasa efferentia in humans are not straight small tubules connecting the rete testis to the epididymal tubule.
Observations by Silber regarding the fertility of men who have undergone bilateral vasal anastomosis to the vasa efferentia, indicate that in the obstructed human male reproductive tract, some sperm may acquire motility and fertilizing ability without passing through the epididymis.
Sep 1, 2023 · The reproductive organs of males comprised of primary reproductive organs (testes), excurrent ducts composed of rete testis, vasa efferentia, epididymis, vas deferens, and urethra, accessory sex organs (seminal vesicle, ampulla, prostate and bulbourethral or...
Vasa efferentia converge into single longitudinal ducts (Bidder's ducts) on the lateral aspects of the kidneys. Branches from the longitudinal ducts merge with genital kidney renal tubules...
Aug 1, 2018 · These vasa efferentia also protect the testis by rapidly moving their ciliated cells forward, forcing fluid forward into the epididymis, preventing backflow. The seminiferous tubules are arranged in anatomic lobules each containing between one and four tubules (Figs. 1.8 , 1.9 , and 1.11 ).
The sperm are formed in the seminiferous tubules, which are connected to the rete testes and the rete testes are connected to the vasa efferentia, which then connects to the epididymis. The sperm mature in the epididymus.
There have been three major reviews dealing with structure and function of the efferent ductules (Hamilton, 1975; Robaire and Hermo, 1988; Ilio and Hess, 1994). The first two reviews included efferent ductules along with other regions of the epididymis (Hamilton,...
