Meanings (ES + gloss)
espermatozoide
A reproductive cell or gamete of a male, carried in semen, that fertilizes an ovum to produce a zygote.
A sperm, or spermatozoa, is the microscopic male reproductive cell. Sperms are made up of oval-shaped heads and long tails that they use for mobility.
But let us suppose [...] that one hardy or lucky spermatozoon has reached the waiting egg.
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