Mounting evidence from research on nematodes to mice indicate that a father's environment, such as what he eats or if he is ...
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 ...
In the United States, an estimated 645,000 men ages 20 to 50 have azoospermia, a condition in which no sperm are present in their ejaculate. Now, scientists are testing a potential treatment: ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results