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November 19, 2008 |
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A sex organ, or primary sexual characteristic, narrowly defined, is any of those parts of the body (which are not always bodily organs according to the strict definition) which are involved in sexual reproduction and constitute the reproductive system in a complex organism"Sexual anatomy" Subtopics and articles
Introduction |
Sexual anatomy |
Reproductive system A-G |
Reproductive system G-P |
Reproductive system R-Z |
Second sexual characteristics
Sexual anatomy
Copora cavernosa The corpora carvernosa (singular is corpus cavernosum) are two tubular shaped structures located on the dorsal, or back sid... Erectile tissue Erectile tissue is tissue in the body that can become erect, usually by becoming engorged with blood. Erectile tissue... frenulum labiorum pudendi In female human anatomy, the < I>frenulum labiorum pudendi < /I> (aka. the < I>fourchette < /I>) is a frenulum w... fundiform ligament The fundiform ligament is a specialization, thickening, of the superficial (Scarpa's) fascia extending from the linea alba ... Genital integrity Image:RibbonGIC its name- should not-Collide with another file now utdtjgf87676.jpg|right|thumb|The symbol of the < I> Genital Integ... Hemipenis Image:Rattlesnake_hemipene.jpg|thumb|An everted hemipenis of a North American rattlesnake (Crotalus adamanteus) A hemipenis< /St... Hirsuties papillaris genitalis Image:Pearly-penile-papules-glans.jpg|thumb|200px|Front and side view of glans with pearly penile papules. Hirsuties papi... History of intersex surgery Intersex surgery is one of several terms referring to surgery performed to correct birth defects due to intersex conditions... Intimate part An intimate or private part is a place on the human body. The term is a euphemism. Definitions ... Love-bite Image:hickey.jpg|thumb|200px|A love-bite on the neck. Love-bites (or hickeys ) are a temporary m... Ovipore An ovipore is a pore-like sexual organ of a female insect that gets insemination|inseminated by the spermatophores ejected ... Ovipositor The ovipositor is an organ (anatomy)|organ used by some of the arthropods for oviposition, i.e. the laying of Egg (biology)... Pelvic floor The pelvic floor or < I>pelvic diaphragm< /I> is composed largely of muscle fibers of levator ani and connective tissue. It ... penis The penis (plural < I>penises< /I>) is in addition to the scrotum one of the external male sex organ|sexual organs. Other te... pubococcygeus muscle Image:Gray404.png|thumb|right|300px|Muscles of the lower abdomen. The pubococcygeus muscle or PC muscle< ... pudendal nerve The pudendal nerve (S2,S3,S4) is responsible for urination, defecation and orgasm in both sexes. ==Physiology==< ... Spermatheca The spermatheca is an organ (biology)|organ of the female reproductive tract in insects, some molluscs, and certain other i... Spermatophylax A spermatophylax is a gelatine|gelatinous bolus (a kind of ball) that some kinds of male insects eject during copulat... Vaginal flatulence Vaginal flatulence (< I>flatus vaginalis< /I> in Latin) is an emission, or expulsion of air from the vagina, often during or ... Reproductive system A-G
Activin Activin is a peptide that enhances FSH synthesis and secretion and participates in the regulation of the menstrual cycle. I... Allantois Allantois is a part of a developing animal embryo. This sac-like structure is primarily involved in Respiration (physiology... Androecium An androecium is a male part of a flower in a flowering plant. The androecium is composed of one or more stamen|stamina. Th... Anovulatory cycle The anovulatory cycle is a menstrual cycle characterized by varying degrees of menstrual intervals and the absence of ovula... areola Image:Nipple.png|right Image:Brustwarze.JPG|right|thumb In human anatomy|anatomy, the term areola (diminutive of ... Ascospore An ascospore is a spore contained in an ascus or that was produced inside an ascus. This kind of spore is specific to fungi... Bartholin's gland The Bartholin's glands (also called Bartholin glands or greater vestibular glands ) are tw... Blood-testis barrier The blood-testis barrier (abbreviated as BTB) is a barrier between the blood vessels and the seminiferous tubules of the an... bulbocavernosus muscle #REDIRECT Bulbospongiosus muscle ... bulbospongiosus muscle Bulbospongiosus is one of the superficial muscles of the perineum. It has a slightly different origin, insertion and funct... bulbourethral gland image:male anatomy.png|thumb|350px|Male Anatomy In the anatomy of the male human body, the bulbourethral glands ... Capacitation Capacitation is the final step in the maturation of Mammal|mammalian Sperm|spermatozoa and is required to render them compe... cervix otheruses Image:Fem isa 2.gif|right|thumb|300px|Female internal reproductive anatomy Image:Female anatomy frontal.png|right|thumb|... clitoris Image:Fem isa 2.gif|thumb|350px|demo|A woman's clitoris extends from the visible portion to a point below the pubic bone. The < St... common penile artery #REDIRECT penile artery ... corona glandis #redirect glans penis ... corpora cavernosa #redirect corpus cavernosum ... Corpus albicans The <b>corpus albicans</b> (Latin for "white body" ) is the regressed form of the corpus luteum. As the corpus luteum... corpus cavernosum A corpus cavernosum is one of a pair of a sponge-like regions of erectile tissue which contain most of the blood in the mal... Corpus luteum The corpus luteum (Latin for "yellow body") is a small, temporary endocrine structure in animals that develops fr... corpus spongiosum #REDIRECT Corpus cavernosum ... Cowper's glands #redirect Bulbourethral gland ... cremaster muscle Image:Layers_of_the_scrotum.gif|thumb|250px|The cremaster muscle appears as a thin layer just superficial to the < I>tunica vaginalis< /I> Dartos The dartos is a layer of smooth muscle fiber|muscular fiber. In males it is termed < I>tunica dartos< /I> and lies beneath th... dartos muscle #REDIRECT Dartos ... ductus deferens #REDIRECT vas deferens ... Egg (biology) <div style="right"> image:Egg125o.gif|thumb|250px|An average Whooping Crane egg is 102 mm long, and weighs 208 grams< BR... Eggshell The term eggshell is the term for the outer covering of a hard-shelled egg (biology)|egg, and some forms of eggs with soft ... ejaculatory duct image:male anatomy.png|thumb|350px|Male Anatomy The Ejaculatory ducts are part of the human male anatomy, which ... endometrium The endometrium is the inner uterine membrane in mammals which is developed in preparation for the implantation of a fertil... epididymis image:male anatomy.png|thumb|350px|Male Anatomy The epididymis is part of the human male reproductive system and... Fallopian tube Image:Fem isa 2.gif|right|thumb|300px|Female internal reproductive anatomy The Fallopian tubes , also known as < S... Flower < dl>< dd>< I>This article is about the plants; for other uses see Flower (disambiguation)< /I>.< /dl>< /dd> Imag Follicular phase The follicular phase is the beginning phase of the estrous cycle in animals. It begins with the regression of the corpus luteum (called lute... Folliculogenesis In biology, folliculogenesis refers to the maturation of the ovarian follicle, a densely-packed shell of somatic cells that... foreskin image:male anatomy.png|thumb|350px|The Male Anatomy The foreskin or prepuce is a retractable double-layered fold of skin and mucous mem... frenulum A frenulum (or frenum ) is a small fold of tissue that prevents an organ (anatomy)|organ in the body from m... frenulum clitoridis The Frenulum clitoridis (also known as the Crus glandis clitoridis ) is a frenulum that surrounds the clito... frenulum preputii penis #REDIRECT Frenulum ... frenum #REDIRECT Frenulum ... G-spot #redirect Gr??fenberg spot ... Gamete Gametes (in Greek language|Greek: < I>γαμέτες< /I>) &mdash... Gametid A gametid is a kind of germ cell that results from the meiosis of a gametocyte. Male gametids are spermatids, while female ... Gametocyte A gametocyte is a eukaryotic germ cell that divides by mitosis into other gametocytes or by meiosis into gametes. Male game... Gametogonium A gametogonium (plural < I>gametogonia< /I>) is a germ cell that divides into gametocytes. Male gametogonia are called sperma... Gartner's duct Gartner's duct is a potential embryological remnant in human female development of the mesonephric ducts. The paired meson... genital tubercle A genital tubercle is a body of tissue which forms in the ventral, caudal region of mammalian embryos of both sexes, and ev... genitofemoral nerve In human anatomy, the genitofemoral nerve originates from the upper part of the lumbar plexus of spinal nerves. Its roots ... Reproductive system G-P
Germ cell A germ cell is a kind of cell (biology)|cell that is part of the germline, and is involved in the reproduction of organisms... glans The glans (literally, Latin for < I>acorn< /I>) is a structure internally composed of corpus spongiosum in males or of corpu... glans penis Image:Glans.jpg|thumb|Glans penis.The glans penis is the sensitive erectile tip of the penis. It is wholly or partially cov... Gonad The gonad is the organ that makes gametes. Gametes are haploid germ cells. For example, sperm and ovum|egg cells are gamete... Gonadotropin Gonadotropins are protein hormones secreted by gonadotrope cell (biology)|cells of the pituitary gland of vertebrates. The ... Gynoecium A < I>gynoecium < /I> is the female reproductive part of a flower, the male part of a flower is called < I>androecium< /I>. A hymen The hymen (also known under the slang names cherry and maidenhead ) is a membrane which co... Hyperactivation Hyperactivation refers to a type of sperm motility. Hyperactivated sperm motility is characterised by a high amplitude, as... Hypogonadism DiseaseDisorder infobox | Name = Hypogonadism | ICD10 = E23.0, E29.92 | ICD9 = 257.2 | < ... Inhibin Protbox header |Name=Inhibin Protbox codes |Symbol=INHA |HGNCid=6065 |Chromosome=2 |Locus=q33-qter ... Interferon tau Found in cows and sheep, Interferon tau is the signal from the developing embryo to the mother that she is pregnant. It is secreted by the t... internal pudendal artery Internal pudental artery is the terminal branch of the anterior trunk of the internal iliac artery which supplies the exter... ischiocavernosus muscle The ischiocavernosus muscle is a muscle just below the surface of the perineum, present in both men and women. It helps fle... labia majora #REDIRECT Vulva ... labia minora #REDIRECT Vulva ... labium A labium (plural is < I>labia< /I>) is any of four folds of tissue of the female external genitalia: < ul>< li> The... Leydig cell Leydig cells , also known as interstitial cells of Leydig, are found adjacent to the seminiferous tubules in the testes. < B... List of homologues of the human reproductive system The List of homologues of the human reproductive system shows how indifferent embryonic organ (anatomy)|organs differentiat... Luteal phase The luteal phase is the latter phase of the estrous cycle in animals. It begins with the formation of the corpus luteum and ends in either p... Luteolysis Luteolysis is the structural and functional degradation of the corpus luteum that occurs at the end of the luteal phase. It is caused by the... mammae #REDIRECT: Mammary gland ... meatus In anatomy, a meatus is a natural body opening or canal (pl. meatus, pronounced me-a-tuus, or meatuses). Example... Menstrual cycle Image:MenstrualCycle.png|thumb|300px|right|Menstrual cycle The menstrual cycle is the set of recurring physiolog... mons veneris #REDIRECT Mons pubis ... Mullerian duct #REDIRECT M??llerian duct ... nipple this|anatomical structure|nipple (disambiguation) Image:Nipple.png|right Nipple is, generally, the name giv... Oocyte An oocyte or ovocyte is a female gametocyte that divides twice by mitosis and meiosis into two other oocy... Oogonium An oogonium is a female gametogonium. It divides by meiosis into oocytes, which in turn divide into ovum|ova. ce... Ootid An ootid is a female gametid, as opposed to a male spermatid. Two ootids are formed by meiosis of a secondary oocyte. An oo... Ovarian follicle Ovarian follicles or Graafian follicles (after Regnier de Graaf) are the roughly spherical cell (biology)|... ovary < dl>< dd>< I>For Ovary as part of plants see Ovary (plants)|Ovary< /I>< /dl>< /dd> Image:Fem isa 2.gif|right|thum oviducts #REDIRECT Fallopian tube ... Ovulation Ovulation is the process in the menstrual cycle by which a mature ovarian follicle ruptures and discharges an ovum (also kn... ovum Image:Gray3.png|right|thumb|A human ovum An ovum (loosely, egg or egg cell ) is a fem... penile suspensory ligament < !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> & perineum Image:perineum muscles.jpg|right|thumb|150px|The muscles of the male perineum In anatomy, the perineum is the re... Petal < dl>< dd>< I>For the petals of chakras, see Petal (chakra).< /I>< /dl>< /dd> image:Petal-sepal.jpg|right|250px| Porcine zona pellucida Porcine zona pellucida is a form of zona pellucida extracted from the ovaries of pigs. Often referred to by the initials < S... prepuce de:Vorhaut The prepuce is a retractable piece of skin which covers part of the genitals of primates and other mammals.... Prostaglandin 2 alpha Prostaglandin 2 alpha causes luteolysis or regression of the corpus luteum if the animal is not pregnant. ==Reference== < ul>... prostate image:male anatomy.png|thumb|350px|Male Anatomy The prostate is an exocrine gland of the male mammalian reproduc... pubic symphysis The pubic symphysis is the midline cartilage|cartilaginous joint uniting the superior rami of the left and right pubic bone... Reproductive system R-Z
ridged band The ridged band is part of the foreskin. John R. Taylor, a Canada|Canadian pathologist, medical researcher and genital int... scrotum Image:male anatomy.png|thumb|350px|The scrotum (human variant shown) is a thin extension of the abdomen that contains the testes and helps r... Secondary sex characteristic Image:Peacock.displaying.better.800pix.jpg|right|thumb|200px|A peafowl displays its secondary sexual characteristics (long,... Semen Semen or sperm is a fluid that contains spermatozoon|spermatozoa. It is secreted by the gonads (sexual gla... semeniferous tubules Semeniferous tubules are located in the testicles, and are the specific location of meiosis, and the subsequent creation of... Seminal vesicle image:male anatomy.png|thumb|350px|Male Anatomy The seminal vesicles are a pair of glands on the posterior surfa... seminal vesicles #REDIRECT Seminal vesicle ... Sex steroid Sex steroids , also known as gonadal steroids , are steroid hormones which interact with vertebrate androgen... Skene's gland In human anatomy, the Skene's glands (also known as the lesser vestibular or paraurethral glands< /... Skene's glands #REDIRECT Skene's_gland ... sperm #REDIRECT Spermatozoon ... Sperm heteromorphism Sperm heteromorphism is the simultaneous production of two or more distinguishable types of sperm by a single male. The spe... spermatic cord image:male anatomy.png|thumb|350px|Male Anatomy The spermatic cord is the name given to the cord-like structure formed... Spermatid The term spermatid refers to the haploid male gametid that results from division of secondary spermatocytes. As a result o... Spermatocyte A spermatocyte is a male gametocyte which is derived from a spermatogonium. Initially, a spermatogonium divides by mitosis ... Spermatogonium A Spermatogonium (plural: < I>spermatogonia< /I>) is an intermediary male gametogonium (a kind of germ cell) in the productio... Spermatozoon A sperm cell , spermatozoon (< I>pl.< /I> spermatozoa ) (in Greek language|Greek: < I>sperma< /... sphincter urethrae membranaceae < !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> & splanchnic nerves The splanchnic nerves are part of the autonomic nervous system. Most autonomic nerves synapse in the sympathetic trunk alon... Spore < dl>< dd>< I>This article is about biological spores. For the video game, see Spore (game).< /I>< /dl>< /dd> < Stamen Image:Amaryllis stamens aka.jpg|thumb|right|250 px|Stamens of the < I>Amaryllis< /I> with prominent anthers carrying pollen Image:Bee pol. testes #REDIRECT Testicle ... testicle wiktionarypar|testes image:Male_anatomy.png|thumb|350px|Human male anatomy The testicles , known medically ... Transition nuclear protein Transition nuclear proteins (TNPs) are proteins that are involved in the packaging of sperm cell nucleus|nuclear DNA during... tunica albuginea The tunica albuginea is the tough fibrous covering of the testicles. It lies just deep to the visceral layer of the tunica... urethra <!-- Missing image Image:female anatomy.png|right|thumbnail|200px|Male anatomy --> Image:Fem isa 2.gif|right|thumbnail... urethral sponge Image:Fem isa 2.gif|right|thumb|300px|Female internal reproductive anatomy The urethral sponge is a spongy cushi... urogenital diaphragm The urogenital diaphragm is an archaic term describing a layer of the pelvis separating deep perineal sac from the upper pe... uterus Image:Fem isa 2.gif|right|thumb|300px|Female internal reproductive anatomy The uterus or womb i... vagina otheruses Image:Fem isa 2.gif|right|thumb|300px|Human female internal reproductive anatomy. Image:Female anatomy frontal.png... vas deferens image:male anatomy.png|thumb|350px|Male Anatomy The vas deferens , also called ductus deferens , ... vesiculae seminales #REDIRECT Seminal vesicle ... vomeronasal organ The vomeronasal organ ( VNO ) or Jacobson's organ is an auxiliary olfaction|olfactory sense... vulva Image:Clitoris-Vivero-Becker.jpg|thumb|350px|demo|Labeled picture of external female reproductive system|reproductive anatomy. < I>The clitor... Wolffian duct The Wolffian duct (also known as archinephric duct , Leydig's duct , and the mesone... Wolffian structures In anatomy, Wolffian structures are male urogenital structures that include the epididymis, vas deferens, and seminal vesic... Zona pellucida The zona pellucida is a glycoprotein matrix surrounding the plasma membrane of an oocyte. This structure binds spermatozoa... Second sexual characteristics
breast Image:Weibliche-brust.jpg|thumb|230px|right|Human female breasts The term < I>breast < /I>, also known by the Latin < Stro... Chest hair The term chest hair is generally used to describe hair that grows on the anterior torso of human male|males. The hair is t... Facial hair Image:Beard3.jpg|right|thumbnail|A typical Full Beard Facial hair is a secondary sexual characteristics|secondar... mammary gland Image:illu_breast_anatomy.jpg|thumb|right|200px|Cross section of the breast of a human female. Mammary glands are the ... pubic hair Image:Pubic hair.jpg|thumb|200px|A woman's pubic hair Pubic hair is hair in the frontal genital area, the crotch, and ... |
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