spacer
A-Z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

sperm

sperm

/sp…ôrm/

Noun

A male germ cell found in semen, which penetrates the female egg in order to fertilize it. Sperm consist of an egg-shaped head containing a nucleus, a long mid-section, and a tail used for movement.