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Development of the reproductive system

Index Development of the reproductive system

The development of the reproductive system is a part of prenatal development, and concerns the sex organs. [1]

78 relations: Anatomical terms of location, Anti-Müllerian hormone, Appendix of testis, Bartholin's gland, Bulbourethral gland, Cervix, Clitoris, Cloaca, Cloacal membrane, Corona of glans penis, Corpus cavernosum of clitoris, Corpus cavernosum penis, Corpus spongiosum penis, Development of the urinary system, Ductuli aberrantes, Ejaculatory duct, Endoderm, Endodermic evagination, Epididymis, Epoophoron, Fallopian tube, Gartner's duct, Genital tubercle, Granulosa cell, Gubernaculum, Human vestigiality, Hymen, Immature ovum, Inguinal hernia, Intermediate mesoderm, Labia majora, Labia minora, Labioscrotal swelling, Lumen (anatomy), Median umbilical ligament, Mesonephric duct, Mesonephros, Mesosalpinx, Oogonium, Ostium of uterine tube, Ovarian ligament, Ovary, Paradidymis, Paramesonephric duct, Paroophoron, Prenatal development, Prepuce, Primordial phallus, Pronephric duct, Pronephros, ..., Prostate, Prostatic urethra, Prostatic utricle, Rete testis, Round ligament of uterus, Scrotum, Seminal vesicle, Seminiferous tubule, Sertoli cell, Sex organ, Sexual differentiation, Sinus tubercle, Skene's gland, Spermatic cord, Spinal cord, Suspensory ligament of ovary, Testicle, Trigone of urinary bladder, Tunica albuginea of testis, Umbilical cord, Urachus, Urogenital opening, Urogenital sinus, Uterus, Vagina, Vaginal fornix, Vas deferens, Yolk sac. Expand index (28 more) »

Anatomical terms of location

Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans.

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Anti-Müllerian hormone

Anti-Müllerian hormone (AMH), also known as Müllerian-inhibiting hormone (MIH), is a glycoprotein hormone structurally related to inhibin and activin from the transforming growth factor beta superfamily, whose key roles are in growth differentiation and folliculogenesis.

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Appendix of testis

The appendix testis (or hydatid of Morgagni) is a vestigial remnant of the Müllerian duct, present on the upper pole of the testis and attached to the tunica vaginalis.

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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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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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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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Cloacal membrane

The cloacal membrane is the membrane that covers the embryonic cloaca during the development of the urinary and reproductive organs.

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Corona of glans penis

The corona of glans penis refers to the circumference of the base of the glans penis in human males which forms a rounded projecting border, overhanging a deep retroglandular sulcus, behind which is the neck of the penis.

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Corpus cavernosum of clitoris

The corpus cavernosum of clitoris is one of a pair of sponge-like regions of erectile tissue which contain most of the blood in the clitoris during clitoral erection.

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Corpus cavernosum penis

A corpus cavernosum penis (singular) (cavernous body of the penis) is one of a pair of sponge-like regions of erectile tissue, the corpora cavernosa (plural) (cavernous bodies), which contain most of the blood in the penis during an erection.

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Corpus spongiosum penis

The corpus spongiosum is the mass of spongy tissue surrounding the male urethra within the penis.

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Development of the urinary system

The development of the urinary system beings as a part of prenatal development, and relates to the development of both the urinary system and the sex organs.

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Ductuli aberrantes

Ductuli aberrantes are two long narrow tubes, the ductulus aberrans inferior and the ductulus aberrans superior.

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Ejaculatory duct

The ejaculatory ducts (ductus ejaculatorii) are paired structures in male anatomy.

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Endoderm

Endoderm is one of the three primary germ layers in the very early embryo.

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Endodermic evagination

Endodermic evagination relates to the inner germ layers of cells of the very early embryo, from which is formed the lining of the digestive tract, of other internal organs, and of certain glands, implies the extension of a layer of body tissue to form a pouch, or the turning inside out (protrusion) of some body part or organ from its basic position, for example the para-nasal sinuses are believed to be formed in the fetus by 'ballooning' of the developing nasal canal, and the prostate or Skene's gland formed out of evaginations of the urethra.

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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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Epoophoron

The epoophoron or epoöphoron (also called organ of Rosenmüller or the parovarium) is a remnant of the mesonephric tubules that can be found next to the ovary and fallopian tube.

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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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Gartner's duct

Gartner's duct, also known as Gartner canal and ductus longitudinalis epoophori, is a potential embryological remnant in human female development of the mesonephric duct in the development of the urinary and reproductive organs.

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Genital tubercle

A genital tubercle or phallic tubercle is a body of tissue present in the development of the reproductive system.

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Granulosa cell

A granulosa cell or follicular cell is a somatic cell of the sex cord that is closely associated with the developing female gamete (called an oocyte or egg) in the ovary of mammals.

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Gubernaculum

The paired gubernacula (from Ancient Greek κυβερνάω.

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Human vestigiality

In the context of human evolution, human vestigiality involves those traits (such as organs or behaviors) occurring in humans that have lost all or most of their original function through evolution.

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Hymen

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

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Immature ovum

An immature ovum is a cell that goes through the process of oogenesis to become an ovum.

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Inguinal hernia

An inguinal hernia is a protrusion of abdominal-cavity contents through the inguinal canal.

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Intermediate mesoderm

Intermediate mesenchyme or intermediate mesoderm is a type of mesoderm (an embryological tissue) that is located between the paraxial mesoderm and the lateral plate.

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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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Labioscrotal swelling

The labioscrotal swellings (genital swellings or labioscrotal folds) are paired structures in the human embryo that represent the final stage of development of the caudal end of the external genitals before sexual differentiation.

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Lumen (anatomy)

In biology, a lumen (plural lumina) is the inside space of a tubular structure, such as an artery or intestine.

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Median umbilical ligament

The median umbilical ligament (or Xander's ligament is a structure in human anatomy. It is a shrivelled piece of tissue that represents the remnant of the embryonic urachus. It extends from the apex of the bladder to the umbilicus, on the deep surface of the anterior abdominal wall. It is unpaired. It is covered by the median umbilical fold Lateral to this structure are the medial umbilical ligament (which is a different structure, not to be confused) and the lateral umbilical ligament.

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Mesonephric duct

The mesonephric duct (also known as the Wolffian duct, archinephric duct, Leydig's duct or nephric duct) is a paired organ found in mammals including humans during embryogenesis.

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Mesonephros

The mesonephros (middle kidney) is one of three excretory organs that develop in vertebrates.

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Mesosalpinx

The mesosalpinx is part of the lining of the abdominal cavity in higher vertebrates, specifically the portion of the broad ligament that stretches from the ovary to the level of the uterine tube.

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Oogonium

An oogonium (plural oogonia) is a small diploid cell which upon maturation forms a primordial follicle in a female fetus or the female (haploid or diploid) gametangium of certain thallophytes.

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Ostium of uterine tube

The ostium of the uterine tube (plural ostia) may refer to the proximal or distal opening of the tube also called the Fallopian tube.

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Ovarian ligament

The ovarian ligament (also called the utero-ovarian ligament or proper ovarian ligament) is a fibrous ligament that connects the ovary to the lateral surface of the uterus.

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Ovary

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

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Paradidymis

The term paradidymis (organ of Giraldés) is applied to a small collection of convoluted tubules, situated in front of the lower part of the spermatic cord, above the head of the epididymis.

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Paramesonephric duct

Paramesonephric ducts (or Müllerian ducts) are paired ducts of the embryo that run down the lateral sides of the urogenital ridge and terminate at the sinus tubercle in the primitive urogenital sinus.

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Paroophoron

The paroophoron (of Johnson) consists of a few scattered rudimentary tubules, best seen in the child, situated in the broad ligament between the epoöphoron and the uterus.

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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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Prepuce

Prepuce, or as an adjective, preputial, refers to two homologous structures of male and female genitals.

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Primordial phallus

In embryology, the primordial phallus refers to the clitoris of a female or the penis in the male, particularly during fetal development of the urinary and reproductive organs, before sexual differentiation is evident.

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Pronephric duct

The pronephric duct is the predecessor of the mesonephric duct (Wolffian duct).

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Pronephros

Pronephros is the most basic of the three excretory organs that develop in vertebrates, corresponding to the first stage of kidney 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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Prostatic urethra

The prostatic urethra, the widest and most dilatable part of the urethra canal, is about 3 cm long.

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Prostatic utricle

The prostatic utricle (Latin for "pouch of the prostate") is a small indentation in the prostatic urethra, at the apex of the urethral crest, on the seminal colliculus (verumontanum), laterally flanked by openings of the ejaculatory ducts.

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Rete testis

The rete testis is an anastomosing network of delicate tubules located in the hilum of the testicle (mediastinum testis) that carries sperm from the seminiferous tubules to the efferent ducts.

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Round ligament of uterus

The round ligament of the uterus originates at the uterine horns, in the parametrium.

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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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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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Seminiferous tubule

Seminiferous tubules are located within the testes, and are the specific location of meiosis, and the subsequent creation of male gametes, namely spermatozoa.

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Sertoli cell

A Sertoli cell (a kind of sustentacular cell) is a "nurse" cell of the testicles that is part of a seminiferous tubule and helps in the process of spermatogenesis, the production of sperm.

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Sex organ

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

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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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Sinus tubercle

Sinus tubercle (also known as sinual tubercle or Müllerian eminence) is the proliferation of endoderm induced by the paramesonephric ducts.

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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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Spermatic cord

The spermatic cord is the cord-like structure in males formed by the vas deferens (ductus deferens) and surrounding tissue that runs from the deep inguinal ring down to each testicle.

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Spinal cord

The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.

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Suspensory ligament of ovary

The suspensory ligament of the ovary, also infundibulopelvic ligament (commonly abbreviated IP ligament or simply IP), is a fold of peritoneum that extends out from the ovary to the wall of the pelvis.

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Testicle

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

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Trigone of urinary bladder

The trigone (a.k.a. vesical trigone) is a smooth triangular region of the internal urinary bladder formed by the two ureteric orifices and the internal urethral orifice.

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Tunica albuginea of testis

The tunica albuginea is the fibrous covering of the testis.

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Umbilical cord

In placental mammals, the umbilical cord (also called the navel string, birth cord or funiculus umbilicalis) is a conduit between the developing embryo or fetus and the placenta.

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Urachus

The urachus is a fibrous remnant of the allantois, a canal that drains the urinary bladder of the fetus that joins and runs within the umbilical cord.

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Urogenital opening

The urogenital opening is where bodily waste and reproductive fluids are expelled to the environment outside of the body cavity.

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Urogenital sinus

The urogenital sinus is a part of the human body only present in the development of the urinary and reproductive organs.

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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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Vaginal fornix

The fornices of the vagina (sing. fornix of the vagina or fornix vaginae) are the superior portions of the vagina, extending into the recesses created by the vaginal portion of cervix.

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Vas deferens

The vas deferens (Latin: "carrying-away vessel"; plural: vasa deferentia), also called ductus deferens (Latin: "carrying-away duct"; plural: ductus deferentes), is part of the male reproductive system of many vertebrates; these vasa transport sperm from the epididymis to the ejaculatory ducts in anticipation of ejaculation.

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Yolk sac

The yolk sac is a membranous sac attached to an embryo, formed by cells of the hypoblast adjacent to the embryonic disk.

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Redirects here:

Development of reproductive system, Development of the external genitalia, Development of the human reproductive system, Development of the reproductive organs, Fetal genital development, Fetal genitalia, Urogenital fold, Urogenital folds.

References

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

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