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Gland that produces sex cells
A gonad, sex gland, or reproductive gland is a mixed gland and sex organ that produces the gametes and sex hormones of an organism. Female reproductive
Gonad
Internal organ in the male reproductive system
testes) is the male gonad in all gonochoric animals, including humans, and is homologous to the ovary, which is the female gonad. Its primary functions
Testicle
Congenital disorder of the reproductive system
the developing gonads of an embryo. One type of gonadal dysgenesis is the development of functionless, fibrous tissue, termed streak gonads, instead of reproductive
Gonadal_dysgenesis
Animal organ development
The development of the gonads is part of the prenatal development of the reproductive system and ultimately forms the testicles in males and the ovaries
Development_of_the_gonads
Comics character
Buster Gonad is a cartoon character in the British comic Viz. The strip involves the surreal adventures of "the boy with unfeasibly large testicles".
Buster_Gonad
Medical condition
Gonadal agenesis is a rare condition where an individual lacks both gonads. If the karyotype is 46,XY and the individual otherwise has a male phenotype
Gonadal_agenesis
Blood vessel carrying blood away from the testis or ovaries
In medicine, gonadal vein refers to the blood vessel that carries blood away from the gonad (testis, ovary) toward the heart. These are different veins
Gonadal_vein
Developmental precursor to the gonads in an embryo
embryology, the genital ridge (genital fold or gonadal ridge) is the developmental precursor to the gonads. The genital ridge initially consists mainly
Genital_ridge
Blood vessel
The term gonadal artery is a generic term for a paired artery, with one typically arising from the abdominal aorta for each gonad. Specifically, it can
Gonadal_artery
Medical condition
XX gonadal dysgenesis is a type of female hypogonadism in which the ovaries do not function to induce puberty in an otherwise normal girl, whose karyotype
XX_gonadal_dysgenesis
Gonad containing both ovarian and testicular tissue
Commonly, one or both gonads is an ovotestis containing both types of tissue. Although it is similar in some ways to mixed gonadal dysgenesis, the conditions
Ovotesticular_syndrome
Former headquarters of the Greater London Authority
Boris Johnson, made the same comparison using a different word, "The Glass Gonad" and more politely as "The Onion". A 500-metre (1,600 ft) helical walkway
110_The_Queen's_Walk
Medical condition
XY complete gonadal dysgenesis, also known as Swyer syndrome, is a condition resulting in a female phenotype in an individual with a 46,XY karyotype.
XY_gonadal_dysgenesis
Biological part involved in sexual reproduction
copulation".[page needed] It is hard to find a common origin for gonads. However, gonads most likely evolved independently several times. At first, testes
Sex_organ
Process in developmental biology
proliferation process begins in the gonads. PGCs interact with a wide range of cell types as they move from the epiblast to the gonads. The PGCs move passively (without
Primordial germ cell migration
Primordial_germ_cell_migration
Type of steroid hormone
Sex hormones, also known as sex steroids, gonadocorticoids and gonadal steroids, are steroid hormones that interact with vertebrate steroid hormone receptors
Sex_hormone
Species of hominid in the genus Homo
Sex-determining Region Y protein is the critical factor in initiating male gonadal differentiation. Consequently, individuals may be born with a chromosomal
Human
The aorta-gonad-mesonephros (AGM) is a region of embryonic mesoderm that develops during embryonic development from the para-aortic splanchnopleura in
Aorta-gonad-mesonephros
Topics referred to by the same term
Gonadal torsion refers to torsion of the gonads. It may refer to: Testicular torsion Ovarian torsion This disambiguation page lists articles associated
Gonadal_torsion
Gonad mass as a proportion of the total body mass
is the calculation of the gonad mass as a proportion of the total body mass. It is represented by the formula: GSI = [gonad weight / total tissue weight]
Gonadosomatic_index
Gamete-producing cell
primitive streak and migrate via the gut of an embryo to the developing gonads. There, they undergo meiosis, followed by cellular differentiation into
Germ_cell
Medical condition
45,X/46,XY mosaicism, also known as X0/XY mosaicism and mixed gonadal dysgenesis, is a mutation of sex development in humans associated with sex chromosome
45,X/46,XY_mosaicism
Drug class
A progonadotropin, or hypergonadotropin, also known as a gonad stimulant, is a type of drug which increases the secretion of one or both of the major
Progonadotropin
chromosomes no longer determine the type of gonad, so that XX and XY mice can have the same type of gonad and gonadal hormones. The FCG model has been used
Four Core Genotypes mouse model
Four_Core_Genotypes_mouse_model
Characteristics that distinguish the sexes, primary and secondary
sexual factors. These include both primary sex characteristics, such as gonads, and secondary sex characteristics. In humans, sex organs or primary sexual
Sexual_characteristics
Protein that initiates male sex determination in therian mammals
tubules. These cords form in the central part of the yet-undifferentiated gonad, turning it into a testis. The now-induced Leydig cells of the testis then
Sex-determining region Y protein
Sex-determining_region_Y_protein
Reproductive biofluid of male or hermaphroditic animals
seminal fluid, is a bodily fluid that contains spermatozoa from the male gonads of animals. In humans and placental mammals, seminal fluid is ejaculated
Semen
Substance with biological function
adrenal cortex, hence cortico-) and sex steroids (typically made in the gonads or placenta). Within those two classes are five types according to the receptors
Steroid_hormone
Physical transition from a child to an adult
signals from the brain to the gonads: the ovaries in a female, the testicles in a male. In response to the signals, the gonads produce hormones that stimulate
Puberty
Relationship between biological organs
gonadal axis (HPG axis, also known as the hypothalamic–pituitary–testicular/ovarian axis) refers to the hypothalamus, pituitary gland, and gonadal glands
Hypothalamic–pituitary–gonadal axis
Hypothalamic–pituitary–gonadal_axis
X chromosome monosomy
individuals with this SRY gene-containing sSMC have increased risk of developing gonadal tissue neoplasms such as gonadoblastomas and in situ seminomas (also termed
Turner_syndrome
Enzyme involved in estrogen production
estrogens. The enzyme aromatase can be found in many tissues including gonads (granulosa cells), brain, adipose tissue, placenta, blood vessels, skin
Aromatase
Embryonic structures that become gonads
(differentiate) to the adult gonads (reproductive organs). They are formed from the genital ridges - which will develop into the gonads - in the first 2 months
Sex_cords
Atypical congenital variations of sex characteristics
with any of several sex characteristics, including chromosome patterns, gonads, or genitals that, according to the Office of the United Nations High Commissioner
Intersex
Condition in multi-cellular organisms
what he called a genetic chimera.[non-primary source needed] Germline or gonadal mosaicism is a particular form of mosaicism wherein some gametes—i.e.,
Mosaic_(genetics)
Medical condition
Pseudohermaphroditism is a term for when an individual's gonads were mismatched with their internal reproductive system and/or external genitalia. The
Pseudohermaphroditism
Genus of fishes
Bathypterois have both male and female gonads at once making them simultaneous hermaphrodites, whose gonads go through five stages of development following
Bathypterois
Warm-blooded animals with wings and feathers
to flight, but males have two testes, and it is also observed that the gonads in both sexes decrease dramatically in size outside the breeding season
Bird
Diminished activity of the gonads
Hypogonadism means diminished functional activity of the gonads—the testicles or the ovaries—that may result in diminished production of sex hormones.
Hypogonadism
One strategy of parasitism
fraction of intact host energy spent on reproduction includes not just gonads and gametes but also secondary sexual characteristics, mate-seeking behavior
Parasitic_castration
Species of jawless fish
eggs—sometimes having three distinct size groups. Contained in a typical gonad might be: one group with eggs from 19 – 22 mm, another group with eggs ranging
Eptatretus_deani
Biological process
The process of sex reversal occurs during embryonic development or before gonad differentiation. In GSD species, sex reversal means that the sexual phenotype
Sex_reversal
Sex change as part of the normal life cycle of a species
organism. Those that change gonadal sex can have both female and male germ cells in the gonads or can change from one complete gonadal type to the other during
Sequential_hermaphroditism
Class of echinoderms
have a leathery skin and an elongated body containing a single, branched gonad; they are named for their overall resemblance to the fruit of the cucumber
Sea_cucumber
Medical condition
A gonadal tissue neoplasm is a tumor having any histology characteristic of cells or tissues giving rise to the gonads. These tissues arise from the sex
Gonadal_tissue_neoplasm
Organ system of the genitals and the urinary tract
early; the structural elements of the mesonephros mostly degenerate, but the gonad is developed in their place, with which the Wolffian duct remains as the
Genitourinary_system
Diminished gonad activity due to dysfunction of the hypothalamus or pituitary gland
which are needed to stimulate the gonads (testicles or ovaries) to function normally. This usually means that the gonads produce unusually low levels of
Hypogonadotropic_hypogonadism
seasonal change in reproduction which is highly correlated with a change in gonad and associated hormone. Parthenogenic Whiptail Lizards Alcock, John. 2005
Associated reproductive pattern
Associated_reproductive_pattern
Topics referred to by the same term
Absorbent glass mat, a technology used in some models of VRLA battery Aorta-gonad-mesonephros, a part of chicken, mouse, and human embryos Arithmetic–geometric
AGM
Cohort born from 1997 to 2012
menstruation) and MRI brain scans for signs of the hypothalamic-pituitary-gonadal axis being reactivated. Furthermore, there is evidence that sexual maturity
Generation_Z
Large cat native to Africa and India
Castrated lions often have little to no mane because the removal of the gonads inhibits testosterone production. Lionesses rarely have manes. Increased
Lion
Medical condition
Wolffian duct system (male) developing. Sex differentiation begins with the gonads, which in XX individuals become ovaries, and in XY individuals (including
Complete androgen insensitivity syndrome
Complete_androgen_insensitivity_syndrome
Chemical compound
the gonads, and the brain. It functions as a metabolic intermediate in the biosynthesis of the androgen and estrogen sex steroids both in the gonads and
Dehydroepiandrosterone
Process of development of sex differences in humans
phenotypic structures consequent to the action of hormones produced following gonadal determination. Sexual differentiation includes development of different
Sexual differentiation in humans
Sexual_differentiation_in_humans
Gonad with features of both testicles and ovaries
ovotestis is a gonad with both testicular and ovarian aspects. In humans, ovotestes are an infrequent anatomical variation associated with gonadal dysgenesis
Ovotestis
Female reproductive organ that produces egg cells
The ovary (from Latin ōvārium 'egg') is a gonad in the female reproductive system that produces ova; when released, an ovum travels through the oviduct
Ovary
Chemical compound
of the triphenylethylene group that is described as an antiestrogen and "gonad stimulant" and was never marketed. It is an active metabolite of clomifene
Clomifenoxide
Medical condition
between the primitive spleen and gonad during gestation. A portion of the splenic tissue then descends with the gonad. Splenogonadal fusion has been classified
Splenogonadal_fusion
Annual food event in many communities
Lunjevica in the municipality of Gornji Milanovac, Serbia, host the World Gonad Cooking Championship. The festival serves up a variety of testicles, including
Testicle_festival
Reproductive physiology of fishes
Fish reproductive organs include testes and ovaries. In most species, gonads are paired organs of similar size, which can be partially or totally fused
Fish_reproduction
abdominal organs. It constitutes the outermost layer of the male and female gonads, thus forming the germinal epithelium of the female or of the male. It is
Coelomic_epithelium
Medical condition
Sex cord–gonadal stromal tumour is a group of tumours derived from the stromal component of the ovary and testis, which comprises the granulosa, thecal
Sex cord–gonadal stromal tumour
Sex_cord–gonadal_stromal_tumour
Eating disorder
SP, Linkie DM, Wright L, et al. (April 1989). "Hypothalamic-pituitary-gonadal function in anorexia nervosa and bulimia". Psychiatry Research. 28 (1):
Anorexia_nervosa
Hormone-producing glands of a body
secondary endocrine functions, including bone, kidneys, liver, heart and gonads. For example, the kidney secretes the endocrine hormone erythropoietin.
Endocrine_system
Situation in which some gamete-producing cells are affected by a mutation
Germline mosaicism, also called gonadal mosaicism, is a type of genetic mosaicism where more than one set of genetic information is found specifically
Germline_mosaicism
Family of small insectivorous mammals
testicular tissue that secretes testosterone with only a small portion of the gonad containing ovarian tissue. Genetic studies have revealed that females of
Talpidae
Medical conditions involving the development of the reproductive system
affecting the reproductive system, in which development of chromosomal, gonadal, or anatomical sex is atypical. DSDs are subdivided into groups in which
Disorders_of_sex_development
Protein-coding gene in the species Mus musculus
stimulation by retinoic acid and expresses a cytoplasmic protein in the gonads of male and female vertebrates. It plays a key role in gametogenesis by
STRA8
Medical condition
situation and subtype of hypergonadism in which both gonadotropin levels and gonadal function, such as sex hormone production, are abnormally high. It can be
Hypergonadotropic hypergonadism
Hypergonadotropic_hypergonadism
Stage in human endocrine development
Mini-puberty is a transient hormonal activation of the hypothalamic-pituitary-gonadal (HPG) axis that occurs in infants shortly after birth. This period is characterized
Mini-puberty
Physical substance of the human organism
endocrine glands: the pituitary, thyroid, adrenals, pancreas, parathyroids, and gonads, but nearly all organs and tissues produce specific endocrine hormones as
Human_body
Free-living species of nematode
gonadal arm) and then produce only oocytes. The hermaphroditic gonad acts as an ovotestis with sperm cells being stored in the same area of the gonad
Caenorhabditis_elegans
Female adult human
phenotypically female genitalia up until week 6 or 7, when a male embryo's gonads differentiate into testes due to the action of the SRY gene on the Y chromosome
Woman
Protein found in humans
expression pattern Bgee Human Mouse (ortholog) Top expressed in secondary oocyte gonad buccal mucosa cell apex of heart cerebellar hemisphere ventricular zone
Zinc_finger_protein_530
Protein found in humans
Bgee Human Mouse (ortholog) Top expressed in mucosa of transverse colon gonad testicle right uterine tube stromal cell of endometrium muscle of thigh
Zinc_finger_protein_749
Genus of deep-sea sea cucumbers known as sea pigs
dioecious. Unlike other echinoderms, holothuroids possess only a single gonad. The water vascular system of holothurians is similar to other echinoderms
Scotoplanes
Smooth muscle cell found in testis
from cells within the developing gonad itself, or alternatively from a layer of cells surrounding the outside of the gonad, called coelomic epithelium, by
Peritubular_myoid_cell
Reproductive system of the human male
tissue passes into the testis through inguinal canal.) The testicles are two gonads that produce sperm by meiotic division of germ cells within the seminiferous
Male_reproductive_system
Embryonic development of sex differences
adults, sex differences develop at many levels, including chromosomes, gonads, hormones, and anatomy. Beginning with determining sex by genetic and/or
Sexual_differentiation
Soft-bodied, aquatic invertebrates
gonads are attached to the septa, and close to them four septal funnels open to the exterior, perhaps allowing for better oxygenation of the gonads.
Jellyfish
Gland with both exocrine and endocrine function
physiological processes and maintaining homeostasis. These include the gonads (testicles and ovaries), pancreas and salivary glands. Pancreas releases
Heterocrine_gland
Medical condition
can be cancerous or benign. Germ cell tumors typically originate from the gonads (ovary and testis), but can arise in other areas of the body. Extragonadal
Germ_cell_tumor
Trait that determines an organism's sexually reproductive function
have already defined male and female based on gonads and on the type of gametes produced in those gonads, either eggs or sperm.{{cite book}}: CS1 maint:
Biological_sex
Stem cells that give rise to other blood cells
endothelial wall of the embryonic aorta within the (midgestational) aorta-gonad-mesonephros region, through a process known as endothelial-to-hematopoietic
Hematopoietic_stem_cell
Organs involved in reproduction
male and female are determined in early development in the 6th week. The gonads and external genitals are derived from the intermediate mesoderm. The three
Human_reproductive_system
Drug class
specifically inhibit gonadal sex steroid production), but work via a different mechanism of action; whereas antigonadotropins suppress gonadal production of
Steroidogenesis_inhibitor
Superclass of jawless fishes
have a single gonad, but for different reasons. In hagfishes the left gonad degenerates during their ontogeny and only the right gonad develops, whereas
Cyclostomi
Medical condition
hypogonadism (HH), also known as primary or peripheral/gonadal hypogonadism or primary gonadal failure, is a condition which is characterized by hypogonadism
Hypergonadotropic hypogonadism
Hypergonadotropic_hypogonadism
Protein-coding gene in the species Homo sapiens
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in sperm gonad body of pancreas testicle right testis left testis Epithelium of choroid
TEX11
Protein found in humans
bp RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in gonad testicle left testis right testis olfactory zone of nasal mucosa monocyte
CD200_receptor_1_like
Marine phylum of animals often with radial symmetries
vascular system, echinoderms have a haemal coelom, a perivisceral coelom, a gonadal coelom and often also a perihaemal coelom. During development, echinoderm
Echinoderm
estimate of the genetic significance of gonad radiation doses. Annual GSD is calculated by weighting the individual gonad doses received during ionizing imaging
Genetic_significant_dose
Earliest gonadal changes of puberty
Gonadarche (/ˌɡoʊnəˈdɑːrki/) refers to the earliest gonadal (reproductive gland) changes of puberty. In response to pituitary gonadotropins, the ovaries
Gonadarche
Neurons in the hypothalamus central to hormonal control of reproduction
(GnRH) release in the hypothalamic–pituitary–gonadal (HPG) axis. Sex steroids released from the gonads act on KNDy neurons as inhibitors of kisspeptin
KNDy_neuron
Male adult human
proceeds in a testes-dependent way while female differentiation is not gonad dependent. Primary sex characteristics (or sex organs) are characteristics
Man
Protein-coding gene in the species Homo sapiens
stated to have been expressed in 151 organs with the highest level in female gonads. The location of the gene is in 6p21.31, where p is the short arm of chromosome
FANCE
Location of meiosis and creation of spermatozoa
formed from the testis cords that develop from the primitive gonadal cords, formed from the gonadal ridge. Spermatogenesis, the process for producing spermatozoa
Seminiferous_tubule
Biological process
including mammals, produce gametes (sperm and egg) by means of meiosis in gonads (testicles in males and ovaries in females). Sperm are produced by spermatogenesis
Reproduction
Protein-coding gene in humans
controlling the activity of genes related to the reproductive glands or gonads and adrenal glands. This protein is encoded by the NR5A1 gene, a member
Steroidogenic_factor_1
Biological term for axis or shaft
feathers. In the gonad of the invertebrate nematode Caenorhabditis elegans, a rachis is the central cell-free core or axis of the gonadal arm of both adult
Rachis
GONAD
GONAD
GONAD
GONAD
Boy/Male
Indian, Punjabi, Sikh
Protector of Humanity
Male
Greek
Short form of Greek Origenes, probably ORIGEN means "mountain-born."
Boy/Male
Tamil
Vivikt | விவீகà¯à®¤
Profound
Girl/Female
Christian & English(British/American/Australian)
Hope
Girl/Female
Gujarati, Hindu, Indian
Dear to God
Biblical
money; covetousness
Female
English
Pet form of English Jill, JILLIE means "descended from Jupiter (Jove)."
Girl/Female
Afghan, Arabic, Assamese, French, German, Hindu, Indian, Kannada, Marathi, Muslim, Spanish, Telugu
Land of Beauty; From the High Tower
Girl/Female
British, English, French, Greek
Truthful; Kindness
Boy/Male
Tamil
Jain gods name, Lord of victors
GONAD
GONAD
GONAD
GONAD
GONAD
pl.
of Gonad
n.
One of the masses of generative tissue primitively alike in both sexes, but giving rise to either an ovary or a testis; a generative gland; a germ gland.