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- Sperm | Definition of Sperm at Dictionary.comSperm definition, semen. See more. The smaller, usually motile male reproductive cell of most organisms that reproduce sexually.
- How Is Sperm Produced? - HealthlineSperm production occurs in the testicles. Upon reaching puberty, a man will produce millions of sperm cells every day, each measuring about 0.002 inches (0.05 millimeters) long.
- Sperm: How Long Sperm Live, Sperm Count, and MoreAlso called sperm density, this is the number of sperm in millions per milliliter of semen. Fifteen million or more sperm per mL is considered normal. Sperm motility.
- Sperm - WikipediaSperm quantity and quality are the main parameters in semen quality, which is a measure of the ability of semen to accomplish fertilization.Thus, in humans, it is a measure of fertility in a man.
- sperm | Definition, Function, Life Cycle, & Facts | BritannicaSperm, male reproductive cell, produced by most animals. In higher vertebrates, especially mammals, sperm are produced in the testes. The sperm unites with (fertilizes) the ovum (egg) of a female to produce a new offspring. Mature sperm have two distinguishable parts, a head and a tail.
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