Encyclopedia  |   World Factbook  |   World Flags  |   Reference Tables  |   List of Lists     
   Academic Disciplines  |   Historical Timeline  |   Themed Timelines  |   Biographies  |   How-Tos     
Sponsor by The Tattoo Collection
Sex organ
Main Page | See live article | Alphabetical index

Sex organ

A sex organ, or primary sexual characteristic, narrowly defined, is any of those parts of the body (which are not always bodily organss according to the strict definition) which are involved in sexual reproduction and constitute the reproductive system in an complex organism; namely:

More generally and popularly, the term sex organ refers to any part of the body involved in erotic pleasure. The larger list would certainly include the anus for either sex, the breasts (especially the nipples) for females, and possibly the nipples for males.

The Latin term genitalia is used to describe the sex organs, and in the English language this term and genital area are most often used to describe the externally visible sex organs or external genitalia: in males the penis and scrotum, in females the vulva. The other parts of the sex organs are called the internal genitalia.

A gonad is a sex organ that produces gametes, specifically the testes or ovaries in humans.

Many parts of human sexual anatomy are homologous between the sexes. For example:
Female organ Homologous male organ
Bartholin's glands Cowper's glands
Skene's glands Prostate gland
Clitoral hood Foreskin

Anatomical terms related to sex

The following is list of anatomical terms related to sex and sexuality:

See also: sex, human sexuality, sexual behavior, Obstetrics and gynecology, castration, intersex, List of transgender-related topics, intimate parts, secondary sex characteristics, body modification


Reproductive system
Female: Cervix - Clitoris - Fallopian tubes - Bartholin's glands - Hymen - Mammary glands - Ovaries - Skene's glands - Urethra - Uterus - Vagina
Male: Bulbourethral glands - Ejaculatory duct - Epididymis - Penis - Prostate - Seminal vesicles - testes - Urethra - Vas deferens

Human organ systems
Cardiovascular system; - Digestive system; - Endocrine system; - Immune system; - Integumentary system; - Lymphatic system; - Muscular system; - Nervous system; - Skeletal system - Reproductive system; - Respiratory system; - Urinary system;