Terminology of the Male Reproductive System
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| interstitial cell | in the testes, these cells lie between the seminiferous tubules and produce testosterone
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| parenchyma | tissue composed of essential and functional cells of organ. in the testes, the parenchymal tissue includes seminiferous tubules that produce sperm
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| perineum | external region between the anus and scrotum in the male
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| prepuce | fold of skin covering the tip of the penis. also called foreskin
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| prostate gland | exocrine gland, in men, at tthe base of the urinary bladder. the prostate gland secretes the fluid part of semen into the urethra during ejaculation
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| scrotum | external sac that contains the testes
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| semen | spermatozoa (sperm cells) and seminal fluid (propastic and other glandular secretions)
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| seminal vesicle | either of paired sac-like male exocrine glands that secrete a fluid into the vas deferens. the seminal fluid is the major component of semen
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| seminiferous tubules | narrow, coiled tubules that produce sperm in the testes
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| spermatozoon (plural: spermatozoa) | sperm cell
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| sterilization | any procedure that removes an individuals ability to produce or release reproductive cells
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| stroma | supportive, connective tissue of an organ, as distinguished from its parenchyma
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| testis (plural: testes) | male gonad (testicle) that produces spermatozoa and the hormone testosterone
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| testosterone | hormone secreted by the interstitial tissue of the testes;responsible the male sex charecteristics
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| vas deferens | narrow tube (one on each side) that carries sperm from the epedidymis into the body and toward the urethra. also called ductus deferens
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| carcinoma of the testes | malignant tumor of the testicles
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| cryptorchism; cryptorchidism | undescended testicles
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| hydrocele | sac of clear fluid on the scrotum
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| testicular torsion | twisting of the spermatic cord
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| varicocele | enlarged, dilated veins near the testicle
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| bulbourrethral gland | one pair of exocrine glands near the male urethra
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| cowper gland | bulbourethral gland
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| ejaculation | ejection of sperm and fluid from the urethra
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| ejaculatory duct | tube through which semen enters the male urethra
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| epididymis | one of a pair of long, tightly coiled tubes lying on top of each testis. it carries sperm from the seminiferous tubules to the vas deferens
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| erectile dysfunction | inability of an adult male to achieve an erection; impotence
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| flagellum | hair-like projection on a sperm cell that makes it motile (able to move)
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| fraternal twins | two infants born of the same pregnancy from two seperate ova fertilized by two different sperm
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| glans penis | sensitive tip of the penis
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| identical twins | two infants resulting from division of one fertilized egg into two distinct embryos
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| impotance | inability of an adult male to achieve an erection
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| carcinoma of the prostate | malignant tumor of the prostate gland
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| prostatic hyperplasia | benign growth of cells within the prostate gland; benign prostatic hyperplasia (BPH)
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| hypospadias; hypospadia | congenital abnormality in which the male urethral opening is on the undersurface of the penis instead of at its tip
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| phimosis | narrowing of the opening of the prepuce over the glans penis
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| chlamydial infection | bacteria invade the urethra and reproductive tract of men and women
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| gonorrhea | inflammation of the genital tract mucous membranes, caused by infection with gonococci
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| herpes genitalis | infection of the skin and mucosa of the genitals, caused by the herpes simplex virus and marked by blisters
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| syphilis | chronic STD caused by a spirochete (spiral-shaped bacterium)
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| PSA test | measures levels of prostate-specific antigen in the blood
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| semen analysis | ejaculated fluid is examined microscapically
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| castration | surgical excision of testicles or ovaries
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| circumcision | surgical procedure to remove the prepuce of the penis
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| digital rectal examination (DRE) | finger palpation through the anal canal and rectum to examine the prostate gland
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| photoselective vaporization of the prostate (GreenLight PVP) | removal of tissue to treat benign prostatic hyperplasia (BPH) using a green light laser (laser TURP)
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| transurethral resection of the prostate (TURP) | excision of benign prostatic hyperplasia using a resectoscope through the urethra
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| vasectomy | bilateral surgical removal of a part of the vas deferens
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