Spermatozoon

A spermatozoon (alternate spelling spermatozoön; plural spermatozoa) is a motile sperm cell, or moving form of the haploid cell that is the male gamete. A spermatozoon joins an ovum to form a zygote. (A zygote is a single cell, with a complete set of chromosomes, that normally develops into an embryo.) The term spermatozoon comes from the Greek word σπέρμα (seed) and ζῷον (living being). Sperm cells contribute approximately half of the nuclear ge... More

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