Male Reproductive system
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31 terms
Terms | Definitions |
|---|---|
 testicles (testes) | 2 glands that produce sperm cells and testosterone, begining during puberty |
| sperm cells | microscopic cells that carry either X chromosomes (Female Characteristics) or Y chromosomes (Male Characteristics). Both the sperm cells and the egg cells usually carry 23 chromosomes each |
| testosterone | hormone responsible for male characteristics |
| scrotum | skin sac containing testicles |
| genitals | sex organs |
| vas deferens | 2 tubes that carry sperm from the testicles to the semen |
| vasectomy | cut and tie vas deferens to stop the release of sperm during an ejaculation; sterile |
| seminal vesicle | combines with sperm and semen, connected by the vas deferens |
| semen | thick, sticky fluid that travels out the urethra during an ejaculation |
| prostate gland | helps males to ejaculate and urinate; adds fluid to the semen |
| bladder | holds urine |
| urethra | tube that carries urine from the bladder through the penis, or semen through the penis. opening in the penis |
| penis | male organ that releases urine or semen |
| foreskin | skin that covers the end of the penis |
| circumcision | removal of the foreskin |
| erection | when the penis becomes hard and raised |
| ejaculation | releasing of semen from the penis |
| wet dream (nocturnal emmision) | involuntary ejaculation during sleep |
| masturbation | sexually pleasing oneself |
| impotent | unable to maintain an erection or have an ejaculation |
| sterile | unable to produce sperm |
| viagra | medicine that treats impotence |
| urologist | doctor specializing in genital problems |
| castration | removal of the testicles |
| virgin | a person who has not had sexual intercourse |
| PSA | blood test for prostate cancer |
| orgasm | pleasurable sexual feeling |
| acne | skin condition due to oils, bacteria, dirt, and hormones |
| dermatologist | doctor specializing in skin problems |
| premature ejaculation | involuntary releasing of semen before a boy feels it |
| anus | opening for soslid waste |
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