oligospermia

n. an abnormally low content of spermatozoa in a sample of semen. Oligospermia is one of several factors responsible for male infertility. The usually accepted minimum level of sperm needed to ensure fertility is 20 million per ml.

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Psychology term of the day

November 27th 2024

biological warfare

the use of agents such as bacteria, viruses, and toxins to incapacitate or destroy humans, nonhuman animals, or crops in war.