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

Examples

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