Gonad - Wikipedia
A gonad, sex gland, or reproductive gland is a mixed gland that produces the gametes and sex hormones of an organism. Female reproductive cells are egg cells, and male reproductive cells are sperm. The male gonad, the testicle, produces sperm in the form of spermatozoa. The female gonad, the ovary, produces egg cells. Both of these gametes are h… See more
EvolutionIt is hard to find a common origin for gonads, but gonads most likely evolved independently several … See more
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Development of the gonads - Wikipedia
WEBThe development of the gonads is part of the prenatal development of the reproductive system and ultimately forms the testicles in males and the ovaries in females. The …
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Gonadal dysgenesis - Wikipedia
WEBGonadal dysgenesis is classified as any congenital developmental disorder of the reproductive system characterized by a progressive loss of primordial germ cells on the …
The gonad - Endocrinology - NCBI Bookshelf
WEBIn the human, the default pattern of genital development is female. There are three important steps in sexual differentiation and the development of the normal male …
Genetics, Gonadal Dysgenesis - StatPearls - NCBI Bookshelf
WEBAug 14, 2023 · This article will explore the cellular, biochemical, and molecular basis behind the genetic processes that cause gonadal dysgenesis and study the clinical implications …
Gonad | Reproductive, Endocrine & Hormones | Britannica
WEBGonad, in zoology, primary reproductive gland that produces reproductive cells (gametes). In males the gonads are called testes; the gonads in females are called ovaries. (see …
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Single-cell roadmap of human gonadal development - PMC
WEBJul 6, 2022 · This study provides a comprehensive spatiotemporal map of human and mouse gonadal differentiation, using a combination of single-cell and spatial …
Mechanisms of Disease: normal and abnormal gonadal …
WEBDec 1, 2005 · In this review, the normal development of the gonad in mammals, and the molecular pathways and candidate genes that have been implicated in abnormal …
Gonads - Definition, Function & Hormones Of Gonads, Examples …
WEBGonads are the female and male reproductive organs. Testes are the male gonads and ovaries in females. These reproductive organs are essential for sexual reproduction …
Gonadal Disorders | Johns Hopkins Medicine
WEBGonadal and menstrual disorders are most commonly caused by hormone dysfunctions. The ovaries and testes produce some of the same hormones, but in different amounts. …
Genital ridge - Wikipedia
WEBIn embryology, the genital ridge (genital fold or gonadal ridge) is the developmental precursor to the gonads. The genital ridge initially consists mainly of mesenchyme and …
Gonadal vein | Radiology Reference Article | Radiopaedia.org
WEBOct 13, 2022 · The gonadal veins are paired structures that drain the gonads : ovaries in the female and the testes in the male. In males it is called the testicular vein (or internal …
Origins of the gonadal artery: Embryologic implications
WEBNov 15, 2006 · The gonadal arteries are paired vessels that usually originate from the abdominal aorta at the level of second lumbar vertebra. In 5–20% of cases, the gonadal …
Hypogonadism: Types, Causes, Symptoms, Treatment, Outlook
WEBApr 23, 2021 · Hypogonadism is also known as gonadal deficiency. It may be called andropause or low serum testosterone when it occurs in people AMAB. What are the …
Human gonadal development, cell by cell - PMC - National …
WEBDec 13, 2022 · Proposed model for human gonadal development. Schematic illustration of the somatic lineages driving sex specification and differentiation of human gonads into …
Swyer Syndrome (XY Gonadal Dysgenesis): Signs & Symptoms
WEBFeb 21, 2024 · Swyer syndrome is when a person has XY (male) chromosomes and functional female genitalia ( vulva ). While XY chromosomes usually result in the …
Swyer Syndrome - Osmosis
WEBJan 4, 2024 · Swyer syndrome, also known as complete gonadal dysgenesis (CGD), is a rare congenital disorder of sex development. People with Swyer syndrome have a 46 XY …
Gonadal Definition & Meaning - Merriam-Webster
WEBDec 8, 2016 · The meaning of GONAD is a reproductive gland (such as an ovary or testis) that produces gametes.
Sex hormone - Wikipedia
WEBSex hormones, also known as sex steroids, gonadocorticoids and gonadal steroids, are steroid hormones that interact with vertebrate steroid hormone receptors. [1] The sex …
Gonadal vein - Wikipedia
WEBIn medicine, gonadal vein refers to the blood vessel that carries blood away from the gonad (testis, ovary) toward the heart. These are different arteries in women (ovarian vein) and …
Desórdenes del desarrollo sexual - Wikipedia, la enciclopedia libre
WEBLas DSD están originadas por anomalías en alguna de las etapas del desarrollo fetal: ya sea del sexo genético (cromosomas sexuales), del sexo gonadal (ovarios o testículos) o …
Gonadal artery | Radiology Reference Article | Radiopaedia.org
WEBOct 13, 2022 · The gonadal arteries are the paired primary vascular supply to the gonads: ovaries in the female and the testes in the male. As the anatomy of the gonadal arteries …
XY gonadal dysgenesis - Wikipedia
WEBXY complete gonadal dysgenesis, also known as Swyer syndrome, is a type of defect hypogonadism in a person whose karyotype is 46,XY. Though they typically have …
Gonadal artery - Wikipedia
WEBThe 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 refer to: the testicular artery in …