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        | One pair of exocrine glands near the male urethra. |  | 
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        | Ejection of sperm and fluid from the male urethra. |  | 
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        | Tube through which semen enters the male urethra. |  | 
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        | EPIDIDYMIS (PL. EPIDIDYMIDES) |  | Definition 
 
        | 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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        | Inability of an adult male to achieve an erection; impotence. |  | 
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        | Hair-like projection on a sperm cell that makes it motile (able to move). |  | 
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        | Two infants born of the same pregnancy from two separate ova fertilized by two different sperms. |  | 
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        | Sensitive tip of the penis |  | 
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        | Two infants resulting from division of one fertilized egg into two distinct embryos. Conjoined twins are incompletely seperated identical twins. |  | 
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        | Inability of an adult male to achieve an erection. |  | 
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        | In the testes, these cells lie between the seminiferous tubules and produce the hormone testosterone. A pituitary gland hormone (LH) stimulates interstital cells to produce testosterone. |  | 
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        | Tissue composed of essential and functional cells of organ. In the testis, the parenchymal tissue includes seminiferous tubules that produce sperm. |  | 
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        | External region between the anus and scrotum in the male. |  | 
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        | Fold of skin covering the tip of the penis. Also called foreskin. |  | 
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        | Exocrine gland, in men, at the base of the urinary bladder. The prostate gland secretes the fluid part of semen into the urethra during ejaculation. |  | 
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        | External sac that contains the testes. |  | 
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        | Spermatoza (sperm cells) and seminal fluid (prostatic and other glandular secretions). |  | 
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        | 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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        | Narrow, coiled tubules that produce sperm in the testes. |  | 
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        | SPERMATOZOON (PL. SPERMATOZOA) |  | Definition 
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        | Any procedure that removes an individual's ability to produce or release reproductive cells. |  | 
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        | Supportive, connective tissue of an organ, as distinguished from its parenchyma. |  | 
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        | Male gonad (testicle) that produces spermatozoa and the hormone testosterone. |  | 
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        | Hormone secreted by the interstital tissue of the testes; responsible for male sex characteristics. |  | 
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        | Narrow tube (one on each side) that carries sperm from the epididymis into the body and toward the urethra. Also called ductus deferens. |  | 
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        | Vessel, duct; vas deferens |  | 
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        | Testicular cancer; Malignant tumor of the testicles. |  | 
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        | CRYPTORCHISM; CRYPTORCHIDISM |  | Definition 
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        | Sac of clear fluid in the scrotum. |  | 
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        | Twisting of the spermatic cord. |  | 
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        | Enlarged, dilated veins near the testicle. |  | 
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        | CARCINOMA OF THE PROSTATE |  | Definition 
 
        | Prostate cancer; Malignant tumor of the prostate gland. |  | 
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        | Benign growth of cells within the prostate gland; benign prostatic hyperplasia (BPH). |  | 
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        | Congenital abnormality in which the male urethral opening is on the undersurface of the penis, instead of at its tip. |  | 
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        | Narrowing of the opening of the prepuce over the glans penis; phimo/o means to muzzle. |  | 
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        | Bacteria (Chlamydia trachomatis) invade the urethra and reproductive tract of men and women. |  | 
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        | Inflammation of the genital tract mucous membranes, caused by infection with gonococci (berry-shaped bacteria). |  | 
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        | Infection of the skin and mucosa of the genitals, caused by the herpes simplex virus (HSV) and marked by blisters. |  | 
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        | Chronic STD caused by a spirochete (spiral-shaped bacterium). |  | 
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        | Measures levels of prostate-specific antigen (PSA) in the blood. |  | 
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        | Ejaculated fluid is examined microscopically. |  | 
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        | Surgical excision of testicles and ovaries. |  | 
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        | Surgical procedure to remove the prepuce of the penis. |  | 
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        | DIGITAL RECTAL EXAMINATION (DRE) |  | Definition 
 
        | Finger palpation through the anal canal and rectum to examine the prostate gland. |  | 
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        | PHOTOSELECTIVE VAPORIZATION OF THE PROSTATE (GREENLIGHT PVP) |  | Definition 
 
        | Removal of the tissue to treat benign prostatic hyperplasia (BPH) using a green light laser (laser TURP). |  | 
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        | TRANSURETHRAL RESECTION OF THE PROSTATE (TURP) |  | Definition 
 
        | Excision of benign prostatic hyperplasia using a resectoscope through the urethra. |  | 
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        | Bilateral surgical removal of a part of the vas deferens. |  | 
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        | Benign prostatic hyperplasia (also called benign prostatic hypertrophy) |  | 
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        | Digital rectal examination |  | 
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        | Nonspecific urethritis (not caused by herpes or a chlamydial infection) |  | 
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        | Pelvic inflammatory disease |  | 
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        | Prostate-specific antigen |  | 
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        | Photoselective vaporization of the prostate; GreenLight PVP |  | 
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        | Rapid plasma reagin [test]; a test for syphilis. |  | 
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        | Sexually transmitted disease |  | 
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        | Sexually transmitted infection |  | 
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        | Transrectal ultrasound [examination]; test to assess the prostate gland and to guide the precise placement of a biopsy needle. |  | 
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        | Transurethral incision of the prostate; successful in less enlarged prostates and less invasive than TURP. |  | 
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        | Transurethral needle ablation; radiofrequency energy destroys prostate tissue |  | 
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        | Transurethral microwave thermotherapy |  | 
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        | Transurethral resection of the prostate |  | 
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