Medically reviewed by Matthew Wosnitzer, MD Semen is a fluid that carries sperm out of the body during ejaculation.The ...

The seminal vesicles are a pair of sac-like glands that can be found within the male pelvis. They’re responsible for producing the majority of the components that make up semen. Read on to learn more ...

Thick semen is not always a cause for concern, especially if this consistency is infrequent. However, if semen is often very thick, it may signal a problem with the prostate or the seminal vesicles.

Sperm are male reproductive (sex) cells. The word "sperm" can refer to spermatozoon (singular) or spermatozoa (plural). Sperm are tiny cells with an oval-shaped body and a long tail. They measure just ...

Seminal plasma, the fluid component of semen rich in proteins, lipids and signalling molecules, plays a pivotal role in shaping the female reproductive immune landscape. Immediately after insemination ...

THERE’S more to semen than sperm. In many animals, seminal fluid alters both the bodies and sometimes even the behaviour of females. Human semen, too, triggers changes in the uterus, and might have ...

Most of us remember that awkward class in school. It all starts with “when a man and a woman decide to make a baby…” and ends with some variation on birth control methods. Somewhere along the line, ...