Spermatozoon (sing.), spermatozoa (pl.). Male sex cells. Sperm are capable of independent movement. They have a head containing the paternal genetic information and a tail composed of several sections, this provides their motility. The sperm formed in the testes have to go through a process of maturation in the epididymides.
Tiny organisms in a man's semen that can swim up a woman's vagina and fertilise her egg. STD Sexually Transmitted Diseases for example, syphilis and gonorrhea. A disease which is passed to another person during sex.
these are very small male sex cells. Under a microscope they look like tadpoles . When a man ejaculates about 400 million sperm are released. They are made in the testicles once a young man has reached puberty. During unprotected sexual intercourse sperm can swim through the cervix into the fallopian tubes where fertilisation can happen.
Carries one half (23) the chromosomes to make a baby. Can carry either an an X sex chromosome, which would make a female baby, or a Y chromosome, which would make a male baby. Men determine the sex of the baby.
Male gamete containing a haploid complement of chromosomes. Although outnumbered by millions of its compatriots, one will combine with female gamete (egg) to form a zygote. (Everyone should know this, but if not, this textbook was worth writing in order to pass on that knowledge alone.)