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15.02
The male reproductive system
| Term | Definition |
|---|---|
| androgen | any hormone that produces male characteristics |
| bulbourethral gland | a gland beside the urethra and below the prostate; secretes part of the seminal fluid; aka Cowper gland |
| circumcision | surgical removal of the end of the prepuce (foreskin) |
| coitus | sexual intercourse |
| ductus deferens | the duct that conevys spermatozoa from the epididymis to the ejaculatory duct; aka vas deferens |
| ejaculation | the release of semen from the male urethra |
| ejaculatory duct | the duct formed by the union of the ductus deferens and the seminal vesicle duct; carries spermatozoa and seminal fluid into the urethra |
| epididymis | a coiled tube on the surface of the testis; stores sperm until ejaculation |
| follicle-stimulating hormone (FSH) | a hormone secreted by the anterior pituitary gland and acts on the gonads; stimulates Sertoli cells and promotes sperm cell development in males; stimulates the ripening ova in females |
| gamete | a mature reproductive cell; spermatozoon in males, ovum in females |
| glans penis | the bulbous end of the penis |
| gonad | a sex gland; testis in males, ovary in females |
| inguinal canal | the channel through which the testis descend into the scrotum |
| interstitial cells | the cells located between the seminiferous tububles that produce hormones, mainly testosterone; aka cells of Leydig |
| luteinizing hormone (LH) | a hormone secreted by the anterior pituitary gland that acts on the gonads; stimulates the interstitial cells to produce testosterone in males, stimulates ovulation and corpus luteum formation in females |
| meiosis | the type of cell division that forms the gametes and results in cells with 23 chromosomes instead of 46 like the other types of body cells |
| penis | the male organ of copulation and urination |
| prepuce | the fold of skin over the glans penis; aka foreskin |
| prostate gland | the gland that surrounds the urethra below the bladder in males; contributes secretions to semen |
| puberty | the period during which sexual reproduction capabilities are obtained and secondary sex characteristic begin to develop |
| scrotum | a double pouch that contains the testes |
| semen | the thick secretion that transports spermatozoa |
| seminal vesicle | a gland behind the bladder that contributes secretion to semen |
| Sertoli cell | the cells in a seminiferous tububle that aids in spermatazoa development; aka sustentacular cells |
| spermatic cord | the cord attached to the testis that contains the ductus deferens, blood vessels, and nerves that are enclosed within a fibrous sheath |
| spermatazoon | a mature male sex cell |
| testis | the male reproductive gland; aka testicle |
| testosterone | the main male sex hormone |
| urethra | the duct that carries urine out of the body; also transports semen in males |
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