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Sex organ

Index Sex organ

A sex organ (or reproductive organ) is any part of an animal's body that is involved in sexual reproduction. [1]

97 relations: Alternation of generations, Andrology, Bartholin's gland, Biological life cycle, Bulbourethral gland, Cervix, Clitoral hood, Clitoris, Cloaca, Conifer cone, Development of the reproductive system, DNA, Egg cell, Emasculation, Embryophyte, Epididymis, Fallopian tube, Female, Fern, Fertilisation, Fetus, Flower, Flowering plant, Foreskin, Frenulum of labia minora, Frenulum of prepuce of penis, Gametangium, Gamete, Gametophyte, Gender identity, Gene, Genital modification and mutilation, Gestation, Glans penis, Gonad, Gonopore, Gynoecium, Hermaphrodite, Homology (biology), Human sexuality, Hymen, Hysterectomy, Indecent exposure, Insect, Intersex, Intimate part, Labia, Labia majora, Labia minora, Latin, ..., List of related male and female reproductive organs, Male, Mammal, Marvalee Wake, Meiosis, Mitosis, Moss, Obstetrics and gynaecology, Oophorectomy, Orchiectomy, Ovary, Ovary (botany), Ovule, Penis, Pinophyta, Placentalia, Planaria, Ploidy, Pollen, Prenatal development, Primordium, Prostate, Reproductive system, Scrotum, Secondary sex characteristic, Seminal vesicle, Sex, Sex assignment, Sexual differentiation, Sexual intercourse, Sexual reproduction, Sexual selection, Skene's gland, Social conservatism, Spermatophore, Spermatophyte, Sporophyte, Stamen, Testicle, Testis-determining factor, Transsexual, Urethra, Urinary meatus, Uterus, Vagina, Vulva, Y chromosome. Expand index (47 more) »

Alternation of generations

Alternation of generations (also known as metagenesis) is the type of life cycle that occurs in those plants and algae in the Archaeplastida and the Heterokontophyta that have distinct sexual haploid and asexual diploid stages.

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Andrology

Andrology (from ἀνήρ, anēr, genitive ἀνδρός, andros, "man"; and -λογία, -logia) is the medical specialty that deals with male health, particularly relating to the problems of the male reproductive system and urological problems that are unique to men.

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Bartholin's gland

The Bartholin's glands (also called Bartholin glands or greater vestibular glands) are two pea sized compound racemose glandsManual of Obstetrics.

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Biological life cycle

In biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of changes in form that an organism undergoes, returning to the starting state.

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Bulbourethral gland

A bulbourethral gland, also called a Cowper's gland for English anatomist William Cowper, is one of two small exocrine glands in the reproductive system of many male mammals (of all domesticated animals, they are only absent in the dog).

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Cervix

The cervix or cervix uteri (neck of the uterus) is the lower part of the uterus in the human female reproductive system.

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Clitoral hood

In female human anatomy, the clitoral hood (also called preputium clitoridis and clitoral prepuce) is a fold of skin that surrounds and protects the glans of the clitoris; it also covers the external shaft of the clitoris, develops as part of the labia minora and is homologous with the foreskin (equally called prepuce) in male genitals.

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Clitoris

The clitoris is a female sex organ present in mammals, ostriches and a limited number of other animals.

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Cloaca

In animal anatomy, a cloaca (plural cloacae or) is the posterior orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals, opening at the vent.

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Conifer cone

A cone (in formal botanical usage: strobilus, plural strobili) is an organ on plants in the division Pinophyta (conifers) that contains the reproductive structures.

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Development of the reproductive system

The development of the reproductive system is a part of prenatal development, and concerns the sex organs.

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DNA

Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.

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Egg cell

The egg cell, or ovum (plural ova), is the female reproductive cell (gamete) in oogamous organisms.

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Emasculation

Emasculation of a human male is the removal of the penis and the testicles, the external male sex organs.

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Embryophyte

The Embryophyta are the most familiar group of green plants that form vegetation on earth.

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Epididymis

The epididymis (plural: epididymides or) is a tube that connects a testicle to a vas deferens in the male reproductive system.

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Fallopian tube

The Fallopian tubes, also known as uterine tubes or salpinges (singular salpinx), are two very fine tubes lined with ciliated epithelia, leading from the ovaries of female mammals into the uterus, via the uterotubal junction.

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Female

Female (♀) is the sex of an organism, or a part of an organism, that produces non-mobile ova (egg cells).

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Fern

A fern is a member of a group of vascular plants that reproduce via spores and have neither seeds nor flowers.

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Fertilisation

Fertilisation or fertilization (see spelling differences), also known as generative fertilisation, conception, fecundation, syngamy and impregnation, is the fusion of gametes to initiate the development of a new individual organism.

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Fetus

A fetus is a stage in the prenatal development of viviparous organisms.

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Flower

A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Magnoliophyta, also called angiosperms).

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Flowering plant

The flowering plants, also known as angiosperms, Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 416 families, approximately 13,164 known genera and c. 295,383 known species.

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Foreskin

In male human anatomy, the foreskin is the double-layered fold of smooth muscle tissue, blood vessels, neurons, skin, and mucous membrane part of the penis that covers and protects the glans penis and the urinary meatus.

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Frenulum of labia minora

The frenulum of labia minora (fourchette or posterior commissure of the labia minora) is a frenulum where the labia minora meet posteriorly.

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Frenulum of prepuce of penis

The frenulum of prepuce of penis, often known simply as the frenulum, is an elastic band of tissue under the glans penis that connects the foreskin (prepuce) to the vernal mucosa, and helps contract the foreskin over the glans.

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Gametangium

A gametangium (plural: gametangia) is an organ or cell in which gametes are produced that is found in many multicellular protists, algae, fungi, and the gametophytes of plants.

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Gamete

A gamete (from Ancient Greek γαμετή gamete from gamein "to marry") is a haploid cell that fuses with another haploid cell during fertilization (conception) in organisms that sexually reproduce.

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Gametophyte

A gametophyte is one of the two alternating phases in the life cycle of plants and algae.

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Gender identity

Gender identity is one's personal experience of one's own gender.

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Gene

In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

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Genital modification and mutilation

The terms genital modification and genital mutilation can refer to permanent or temporary changes to human sex organs.

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Gestation

Gestation is the carrying of an embryo or fetus inside viviparous animals.

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Glans penis

The glans penis is the sensitive bulbous structure at the distal end of the human penis.

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Gonad

A gonad or sex gland or reproductive gland is a mixed gland that produces the gametes (sex cells) and sex hormones of an organism.

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Gonopore

A gonopore, sometimes called a gonadopore, is a genital pore in many invertebrates.

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Gynoecium

Gynoecium (from Ancient Greek γυνή, gyne, meaning woman, and οἶκος, oikos, meaning house) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds.

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Hermaphrodite

In biology, a hermaphrodite is an organism that has complete or partial reproductive organs and produces gametes normally associated with both male and female sexes.

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Homology (biology)

In biology, homology is the existence of shared ancestry between a pair of structures, or genes, in different taxa.

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Human sexuality

Human sexuality is the way people experience and express themselves sexually.

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Hymen

The hymen is a membrane that surrounds or partially covers the external vaginal opening.

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Hysterectomy

Hysterectomy is the surgical removal of the uterus.

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Indecent exposure

Indecent exposure is the deliberate exposure in public or in view of the general public by a person of a portion or portions of his or her body, in circumstances where the exposure is contrary to local moral or other standards of appropriate behavior.

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Insect

Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum.

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Intersex

Intersex people are born with any of several variations in sex characteristics including chromosomes, gonads, sex hormones, or genitals that, according to the UN Office of the High Commissioner for Human Rights, "do not fit the typical definitions for male or female bodies".

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Intimate part

An intimate part, personal part or private part is a place on the human body which is customarily kept covered by clothing in public venues and conventional settings, as a matter of fashion and cultural norms.

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Labia

The labia are part of the female genitalia; they are the major externally visible portions of the vulva.

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Labia majora

The labia majora (singular: labium majus) are two prominent longitudinal cutaneous folds that extend downward and backward from the mons pubis to the perineum.

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Labia minora

The labia minora, Latin for smaller lips, singular: labium minus "smaller lip", also known as the inner labia, inner lips, vaginal lips or nymphae, are two flaps of skin on either side of the human vaginal opening in the vulva, situated between the labia majora (the Latin for larger lips; also called outer labia, or outer lips).

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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List of related male and female reproductive organs

This list of related male and female reproductive organs shows how the male and female reproductive organs of the human reproductive system are related, sharing a common developmental path.

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Male

A male (♂) organism is the physiological sex that produces sperm.

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Mammal

Mammals are the vertebrates within the class Mammalia (from Latin mamma "breast"), a clade of endothermic amniotes distinguished from reptiles (including birds) by the possession of a neocortex (a region of the brain), hair, three middle ear bones, and mammary glands.

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Marvalee Wake

Marvalee Hendricks Wake (born 1939) is an American zoologist and professor at the University of California, Berkeley, known for her research in the biology of caecilians (limbless amphibians) and vertebrate development and evolution.

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Meiosis

Meiosis (from Greek μείωσις, meiosis, which means lessening) is a specialized type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell that gave rise to them.

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Mitosis

In cell biology, mitosis is a part of the cell cycle when replicated chromosomes are separated into two new nuclei.

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Moss

Mosses are small flowerless plants that typically grow in dense green clumps or mats, often in damp or shady locations.

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Obstetrics and gynaecology

Obstetrics and gynecology (commonly known as OB-GYN, OBG, O&G or obs and gynae in the USA, and referred to as gynae in the UK) is the medical specialty that deals with pregnancy, childbirth, and the postpartum period (obstetrics) and the health of the female reproductive systems (vagina, uterus, and ovaries) and the breasts (gynecology).

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Oophorectomy

Oophorectomy (from Greek ᾠοφόρος, ōophóros, 'egg-bearing' + ἐκτομή, ektomḗ, 'a cutting out of') is the surgical removal of an ovary or ovaries.

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Orchiectomy

Orchiectomy (also named orchidectomy, and sometimes shortened as orchi) is a surgical procedure in which one or both testicles are removed.

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Ovary

The ovary is an organ found in the female reproductive system that produces an ovum.

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Ovary (botany)

In the flowering plants, an ovary is a part of the female reproductive organ of the flower or gynoecium.

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Ovule

In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells.

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Penis

A penis (plural penises or penes) is the primary sexual organ that male animals use to inseminate sexually receptive mates (usually females and hermaphrodites) during copulation.

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Pinophyta

The Pinophyta, also known as Coniferophyta or Coniferae, or commonly as conifers, are a division of vascular land plants containing a single extant class, Pinopsida.

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Placentalia

Placentalia ("Placentals") is one of the three extant subdivisions of the class of animals Mammalia; the other two are Monotremata and Marsupialia.

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Planaria

Planaria is a genus of planarians in the family Planariidae.

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Ploidy

Ploidy is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes.

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Pollen

Pollen is a fine to coarse powdery substance comprising pollen grains which are male microgametophytes of seed plants, which produce male gametes (sperm cells).

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Prenatal development

Prenatal development is the process in which an embryo and later fetus develops during gestation.

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Primordium

A primordium (plural: primordia; synonym: anlage) in embryology, is defined as an organ or tissue in its earliest recognizable stage of development.

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Prostate

The prostate (from Ancient Greek προστάτης, prostates, literally "one who stands before", "protector", "guardian") is a compound tubuloalveolar exocrine gland of the male reproductive system in most mammals.

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Reproductive system

The reproductive system or genital system is a system of sex organs within an organism which work together for the purpose of sexual reproduction.

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Scrotum

The scrotum is an anatomical male reproductive structure that consists of a suspended dual-chambered sack of skin and smooth muscle that is present in most terrestrial male mammals and located under the penis.

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Secondary sex characteristic

Secondary sex characteristics are features that appear during puberty in humans, and at sexual maturity in other animals.

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Seminal vesicle

The seminal vesicles (glandulae vesiculosae), vesicular glands, or seminal glands, are a pair of simple tubular glands posteroinferior to the urinary bladder of some male mammals.

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Sex

Organisms of many species are specialized into male and female varieties, each known as a sex. Sexual reproduction involves the combining and mixing of genetic traits: specialized cells known as gametes combine to form offspring that inherit traits from each parent.

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Sex assignment

Sex assignment (sometimes known as gender assignment) is the determination of an infant's sex at birth.

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Sexual differentiation

Sexual differentiation is the process of development of the differences between males and females from an undifferentiated zygote.

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Sexual intercourse

Sexual intercourse (or coitus or copulation) is principally the insertion and thrusting of the penis, usually when erect, into the vagina for sexual pleasure, reproduction, or both.

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Sexual reproduction

Sexual reproduction is a form of reproduction where two morphologically distinct types of specialized reproductive cells called gametes fuse together, involving a female's large ovum (or egg) and a male's smaller sperm.

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Sexual selection

Sexual selection is a mode of natural selection where members of one biological sex choose mates of the other sex to mate with (intersexual selection), and compete with members of the same sex for access to members of the opposite sex (intrasexual selection).

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Skene's gland

In female human anatomy, Skene's glands or the Skene glands (also known as the lesser vestibular glands, periurethral glands, paraurethral glands, or homologous female prostate) are glands located on the anterior wall of the vagina, around the lower end of the urethra.

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Social conservatism

Social conservatism is the belief that society is built upon a fragile network of relationships which need to be upheld through duty, traditional values and established institutions.

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Spermatophore

A spermatophore or sperm ampulla is a capsule or mass containing spermatozoa created by males of various animal species, especially salamanders and arthropods, and transferred in entirety to the female's ovipore during reproduction.

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Spermatophyte

The spermatophytes, also known as phanerogams or phenogamae, comprise those plants that produce seeds, hence the alternative name seed plants.

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Sporophyte

A sporophyte is the diploid multicellular stage in the life cycle of a plant or alga.

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Stamen

The stamen (plural stamina or stamens) is the pollen-producing reproductive organ of a flower.

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Testicle

The testicle or testis is the male reproductive gland in all animals, including humans.

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Testis-determining factor

Testis-determining factor (TDF), also known as sex-determining region Y (SRY) protein, is a DNA-binding protein (also known as gene-regulatory protein/transcription factor) encoded by the SRY gene that is responsible for the initiation of male sex determination in humans.

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Transsexual

Transsexual people experience a gender identity that is inconsistent with, or not culturally associated with, their assigned sex, and desire to permanently transition to the gender with which they identify, usually seeking medical assistance (including hormone replacement therapy and other sex reassignment therapies) to help them align their body with their identified sex or gender.

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Urethra

In anatomy, the urethra (from Greek οὐρήθρα – ourḗthrā) is a tube that connects the urinary bladder to the urinary meatus for the removal of urine from the body.

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Urinary meatus

The urinary meatus, also known as the external urethral orifice, is the opening or meatus of the urethra.

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Uterus

The uterus (from Latin "uterus", plural uteri) or womb is a major female hormone-responsive secondary sex organ of the reproductive system in humans and most other mammals.

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Vagina

In mammals, the vagina is the elastic, muscular part of the female genital tract.

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Vulva

The vulva (wrapper, covering, plural vulvae or vulvas) consists of the external female sex organs.

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Y chromosome

The Y chromosome is one of two sex chromosomes (allosomes) in mammals, including humans, and many other animals.

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References

[1] https://en.wikipedia.org/wiki/Sex_organ

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