1. a mature male reproductive cell capable of fertilizing an egg
Usage: biological term

Examples

• The spermatozoid swims toward the egg using its tail-like flagellum.
• Each spermatozoid contains genetic material from the male parent.
• Scientists studied the movement patterns of spermatozoids under a microscope.
• The spermatozoid must penetrate the egg’s outer layer to achieve fertilization.
• Millions of spermatozoids are released, but only one typically fertilizes the egg.
• The head of a spermatozoid contains the nucleus with chromosomes.