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Sperm: A sperm is the male "gamete" or sex cell. It combines with the female "gamete," called an ovum, to form a zygote. The formation process is called "fertilization." (see ovum, zygote).
The term sperm is derived from the Greek word (σπÎÏμα) sperma (meaning "seed") and refers to the male reproductive cells. In the types of sexual reproduction known as ...
Healthy sperm — simple tips to increase your fertility. ... close window About our e-newsletters. Free e-newsletters; Mayo Clinic expertise
Semen is a white or grey liquid, emitted from the urethra (tube in the penis) on ejaculation.
TOKYO – A team of Japanese scientists has produced viable sperm from the stem cells of mice. The experiment could be a breakthrough toward treating ...
HONG KONG — Researchers in Japan used embryonic stem cells to grow healthy mouse sperm on laboratory dishes, a development which could help treat human infertility ...