Male Reproductive System

Anorchism

Absence of one or both testes.

Aspermia

Inability to secrete or ejaculate sperm.

Azoospermia

Semen without living spermatozoa; a sign of male infertility.

Balanitis

Inflammation of the glans penis.

Benign prostatic hyperplasia (BPH)

Enlargement of the prostate gland, often causing urinary obstruction; also called benign prostatic hypertrophy.

Benign prostatic hypertrophy (BPH)

Enlargement of the prostate gland; also called benign prostatic hyperplasia.

Chlamydia

Common sexually transmitted bacterial infection that may occur without symptoms.

Circumcision

Surgical removal of the foreskin (prepuce), exposing the glans penis.

Condyloma acuminatum (plural: condylomata acuminata)

Wart-like lesion caused by HPV; also called genital or venereal warts.

Cryptorchidism

Undescended testis; failure of a testis to descend into the scrotum.

Cryptorchism

Another term for cryptorchidism.

Epididymectomy

Surgical removal of an epididymis.

Epididymitis

Inflammation of the epididymis.

Erectile dysfunction (ED)

Inability to initiate or maintain an erection sufficient for ejaculation.

Gonorrhea

Sexually transmitted bacterial infection caused by Neisseria gonorrhoeae.

Hepatitis B virus (HBV)

Virus that causes inflammation of the liver and can be spread through body fluids.

Herpes simplex virus type 2 (HSV-2)

Virus causing genital ulcer-like lesions that may recur after the initial infection.

Human immunodeficiency virus (HIV)

Virus that causes acquired immunodeficiency syndrome (AIDS).

Human papillomavirus (HPV)

Sexually transmitted virus that infects the skin and mucous membranes of the genitals.

Hydrocele

Collection of fluid within the testis or associated structures.

Hypospadias

Congenital condition in which the urethral opening is located on the underside of the penis.

Mucopurulent discharge

Drainage of mucus and pus.

Nonseminoma

Testicular tumor arising from more mature germ cells; generally more aggressive than seminoma.

Oligospermia

Decreased production and expulsion of sperm.

Orchiectomy

Surgical removal of a testicle; also called orchidectomy.

Orchidectomy

Surgical removal of a testicle; also called orchiectomy.

Orchiopexy

Surgical fixation of an undescended testis in the scrotum.

Orchioplasty

Surgical repair of a testicle.

Peyronie disease

Condition characterized by fibrous scar tissue in the penis causing pain and curvature during erection.

Phimosis

Narrowing of the foreskin that prevents it from being drawn over the glans penis.

Prostate cancer

Malignancy of the prostate gland.

Prostatectomy

Surgical removal of the prostate gland.

Prostatitis

Inflammation of the prostate gland.

Seminoma

Most common type of testicular tumor, composed of immature germ cells.

Spermatocele

Benign cystic mass containing sperm located adjacent to the testis.

Syphilis

Sexually transmitted infection caused by a spirochete bacterium.

Testicular cancer

Malignant tumor of one or both testes.

Transurethral resection of the prostate (TURP)

Removal of prostate tissue through the urethra using a resectoscope.

Varicocele

Enlarged, swollen veins near the testis.

Vasectomy

Removal of a segment of the vas deferens to produce male sterilization.

Vasovasostomy

Surgical reconnection of the vas deferens to restore fertility after a vasectomy.