| Term | Definition |
| Androgen | Male hormone responsible for developing and maintaining male secondary sex characteristics. |
| Aspermea | Failure in a male sperm cells (spermatozoa) production as well as ejaculation of semen (fluid and sperm cells). |
| Azoospermia | Lack of live spermatozoa in the semen |
| Balantis | Inflammatory of the glans penis. |
| Benign prostatic hyperplasia | Prostatic enlargement, nonmalignant |
| Bulbourethral glands | One of a pair of exocrine glands, located on either side of the male urethra, glands just below the prostate gland. It secretes fluid that is part of semen; Cowper gland. |
| Carcinoma of the prostate | A disease which only affects men. Cancer begins to grow in the prostate - a gland in male reproductive system. |
| Carcinoma of the Testis | A malignant tumor of the male sex organ (testicle) that normally produces the hormone testosterone one of the most common cancers in young men. |
| Castration | Removal of sex glands (gonads); ovaries of the testes |
| Chancre | Primary lesion of syphilis; a hard ulcer occurring at the site of entry of the bacterial infection and most frequently on the external genitalia of a male or female. |
| Chlamydial infection | Bacterial infection causing pelvic inflammation in the reproductive tract of women and men. |
| Circumcision | Surgical removal of the foreskin (prepuce) surrounding the end of penis. |
| Cryogenic surgery | Use of extremely cold temperatures to freeze or destroy tissue |
| Cryptorchism | One or both testes fail to descend from the abdomen in the scrotal sac near the time of birth. |
| Digital rectal exam | An exam done to detect abnormalities that can be felt (palpated) from within the rectum. The doctor inserts a lubricated, glove finger into the rectum and feels for anything that is not normal. |
| Ejaculation | Ejection of sperm and fluid from the male urethra as a result of sexual stimulation. |
| Ejaculation Duct | Tube thru which semen enters the male urethra. |
| Embryonic Carcinoma | Malignant tumor of the testes. |
| Epididymis | One of a pair of long, tightly coiled tubes lying on top of each testis . It carries sperm cells to the vas deferns. |
| Epididymytis | Inflammation of an epididymitis |
| Erectile dysfunction | Inability of an adult male to achieve an erection; impotence |
| Flagellum | A hair like projection on a sperm cell that makes it motile. |
| Fraternal twins | 2 infants born from pregnancy resulting from fertilization of 2 separate ova. |
| Glans Penis | Sensitive tip (surrounded by foreskin), of the penis. |
| Gonorrhea | Sexually transmitted infection involving inflammation of genital tract mucous membranes and caused by gonococci (berry shaped bacteria). |
| Herpes Genitalis | Sexually transmitted infection of the skin and mucosa of the genitals caused by the herpes simplex virus and marked by blisters. |
| Human papilloma virus infection | Infection of the skin and mucous membrane in the anogenital region by the human papilloma virus. |
| Hydrocele | Hernia (sac of clear, watery fluid) within the scrotum |
| Hypospadias | Congenital anomaly in which the opening of the urethra is on the underside of the penis. |
| Identical twins | 2 infants resulting from division of one fertilized egg into two separate embryos. |
| Impotence | Inability of an adult male to achieve an erection; erectile dysfunction. |
| Interstitial cells of the testes | In the testes , these cells lie between the seminiferous tubules and produce testosterone. |
| Ligation | Tying of a tube of blood vessel. Thread or wire is used |
| Oligospermia | Scanty (less than normal number of sperm in semen). Sperm count. |
| Orchiectomy | Removal (excision) of the testis. |
| Ochiopexy | Surgical fixation of an undescended testis in the scrotum. |
| Orchitis | Inflammation of the testis |
| Parenchyma tissue | Functional, essential tissue of an organ. The seminiferous tubules are the parenchyma of the testis. |
| Penile | Relating to the penis. |
| Penis | Male genital organ composed of erectile tissue. |
| Penoscrotal | Of or relating to the penis and scrotum. |
| Perineum | Area between the anus and vagina in females, and the area between the anus and scrotal sac in males. |
| Phimosis | Narrowing (stricture) of the opening of the prepuce (foreskin) over the glans. |
| Photoselective vaporization of the prostate | Removal of tissue to treat benign prostatic hyperplasia (BPH) using a green light laser (turp). |
| Prepuce | Fold of skin covering the glans penis (tip of the penis); foreskin. |
| Prostatectomy | Removal (excision) of the prostate gland. |
| Prostate gland | A gland in men that surrounds the neck of the urinary bladder and urethra. It provides a fluid which after combining with sperm cells, leaves the body as semen. |
| Prostatitis | Inflammation of the prostate gland. |
| Purulent | Pus-filled; forming or containing pus. |
| Scrotum | Sac that contains the testes and associated organs. |
| Semen | Fluid discharged at ejaculation; consisting of sperm cells and secretions from the prostate gland, seminal vesicles, and balbourethral glands. |
| Seminal vesicles | Pair of sac like male exocrine glands lying behind the urinary (remove vesicle) bladder and opening into the vas deferens. |
| Seminiferous tubules | Narrow, coiled tubules that produce spermatozoa in the testes. |
| Seminoma | Malignant tumor within a testis. |
| Spermatogenesis | Formation of sperm cells |
| Spermatozoa | Sperm Cells |
| Spermatozoon | Single sperm cell. |
| Spermolytic | pertaining to destruction of sperm cells. |
| Sterilization | Procedure that remove an individuals ability to produce or release preproductive cells. |
| Stromal tissue | Supportive, connective tissue of an organ. |
| Syphilis | sexually transmitted infection caused by bacteria (spirochete). A chance (ulcer) on the genitalia is a characteristic lesion. |
| Teratoma | Malignant tumor of a testis or ovary; composed of embryonic cells that develop into different types of tissue. |
| Testicular | Pertaining to a testis or testicles. |
| Testicular torsion | Twisting of the spermatic cord and blood vessels of the testes. |
| Testis | Male gland that produces spermatozoa (sperm cells) and the hormone secreted by the interstitial cells of the testes. |
| Testosterone | Male hormone secreted by the instestitial cells of the testes. |
| Varicocele | Enlarged dilated veins near a testicle |
| Vas deferens | Narrow tube (one on each side) that carries sperm from the epididymis into the body, around the urinary bladder toward the urethra. |
| Vasectomy | Removing a piece of each ves deferens and tying off each end. |
| Vasovasostomy | New opening (anastomosis) of the ends of. Severed vas defens. This surgical procedure reverses a vasectomy. |
| Transurethral resection of the prostate (TURP) | Surgery used to treat urinary problems due to an enlarged prostate. |
| Andr/o | Male |
| Balantis/o | Glans penis |
| Cry/o | Cold |
| Crypt/o | Hidden |
| Epididym/o | Epididymis |
| Gon/o | Seed |
| Hydr/o | Water |
| Orch/o | Testis |
| Orchi/o | Testis |
| Orchid/o | Testis |
| Pen/o | Penis |
| Prostat/o | Prostate gland |
| Semin/i | Semen; sseed |
| Sperm/o | Spermatozoa sperm cells |
| Spermat/o | Spermatozoa, sperm cells |
| Terat/o | Malformed |
| Test/o | Testis (testicle) |
| Varic/0 | Varicose veins |
| Vas/o | Vessel, duct |
| Zo/o | Animal lift |
| -cele | Hernia |
| -ectomy | Removal, excision; resection |
| -gen | Substance that produces |
| -genesis | Producing forming |
| -genic | Produced by or in |
| -lysis | Breakdown, separation, destrucion |
| -lytic | Reducing, destroying, separating |
| -one | Hormone |
| -pery | Fixation, to put in place |
| -plasia | Development formation; growth |
| -rrhea | Flow; discharge |
| -stomy | New opening, to form a mouth |
| -tomy | Process of cutting |
| -trophy | Nourishment, development |
