Trophoblast

The outer layer of the blastocyst that supplies nutrition to the embryo, facilitates implantation by eroding away the tissues of the uterus with which it comes in contact allowing the blastocyst to sink into the cavity formed in the uterine...

Urethra

The canal through which sperm and urine pass out of the body.

Vas Deferens

Sperm-carrying duct, which begins at and is continuous with the tail of the epididymis, runs in the spermatic cord through the inguinal canal, and descends into the pelvis where it joins the duct of the seminal vesicle to form the ejaculatory...