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The Male Reproductive System

Anorchism

A condition in which there is a lack of one or both testes

Artificial Insemination

The process of artifical placement of semen into the vagina so that conception may take place

Aspermia

A condition in which there is a failure to form semen

Azoospermia

A condition in which there is a lack of spermatozoa in the semen

Balanitis

Inflammation of the glans penis

Benign Prostatic Hyperplasia

An enlargement of the prostate gland

Castrate

To remove the testicles or ovaries; to geld, to spay

Circumcision

The surgical process of removing the forskin of the penis

Cloning

The process of creating a genetic duplicate of an individual organism through asexual reproduction

Coitus

Sexual intercourse between a man and a woman

Condom

A thin, flexible protective sheath, usually rubber, worn over the penis during copulation to help prevent impregnation or venereal disease

Condyloma

A wart-like growth of the skin, most often seen on the external genitalia; is either viral or syphilitic in origin

Cryptorchism

A condition in which the testes fail to descend into the scrotum

Ejaculation

The process of expulsion of seminal fluid from the male urethra

Epidiymectomy

Surgical excision of the epididymis

Epididymitis

Inflammation of the epididymis

Epispadias

A congenital defect in which the urethra opens on the dorsum of the penis

Erectile Dysfunction

Involves the inability to achieve and maintain penile erection sufficient to complete satisfactory intercourse

Ericsson Sperm Separation Method

A process of separating the Y-chromosome sperm from the X-chromosome sperm

Eugenics

The study and control of the bringing forth of offspring as a means of improving genetic characteristics of future generations

Eunuch

A male who has been castrated; had his testicles removed

Gamete

A mature reproductive cell of the male or female

Gonorrhea

A highly contagious venereal disease of the genital mucous membrane of either sex

Gynecomastia

A condition of excessive development of the mammary glands in the male

Herpes Genitalis

A highly contagious venereal disease of the genitalia of either sex

Heterosexual

Pertaining to the opposite sex

Homosexual

Pertaining to the same sex

Hydrocele

A collection of serous fluid in a sac-like cavity, specifically the tunica vaginalis testis

Hypospadias

A congential defect in which the urethra opens on the underside of the penis

Infertility

The inability to produce a viable offspring

Mitosis

The ordinary condition of cell division

Oligospermia

A condition in which there is a scanty amount of spermatozoa in the semen

Orchidectomy

Surgical excision of a testicle

Orchidotomy

Incision into a testicle

Orchitis

Inflammation of a testicle

Parenchyma

The essential cells of a gland or organ that are concerned with its function

Penitis

Inflammation of the penis

Phimosis

A condition of narrowing of the opening of the prepuce wherein the foreskin cannot be drawn back over the glans penis

Prepuce

The foreskin over the glans penis in the male

Prostate Cancer

A malignant tumor of the prostate gland

Prostatectomy

Surgical excision of the prostate

Prostatitis

Inflammation of the prostate

Puberty

The stage of development in the male and female when secondary sex characteristics begin to develop and become functionally capable of reproduction

Semen

The fluid-transporting medium for spermatozoa discharged during ejaculation

Spermatoblast

The sperm germ cell

Spematogenesis

Formation of spermatozoa

Spermatozoon

The male sex cell

Spermicide

An agent that kills sperm

Syphilis

A chronic infectious venereal disease caused by Treponema Pallidum, which is transmitted sexually

Testicular

Pertaining to a testicle

Trisomy

A genetic condition of having three chromosomes instead of two. The conidtion causes various birth defects

Variocele

An enlargement and twisting of the veins of the spermatic cord

Vesiculitis

Inflammation of a vesicle; in particular, the seminal vesicle

Vasectomy

Surgical excision of the vas deferens

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