Leydig cells


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Related to Leydig cells: FSH, corpus luteum, androgen, Leydig cell tumor

in·ter·sti·tial cells

1. cells between the seminiferous tubules of the testis that secrete testosterone; Synonym(s): Leydig cells
2. cells derived from the theca interna of atretic follicles of the ovary; they resemble luteal cells and are an important source of estrogens;
3. pineal cells similar to glial cells with long processes.
Synonym(s): interstitial gland of ovary
Farlex Partner Medical Dictionary © Farlex 2012

in·ter·sti·tial cells

(in'tĕr-stish'ăl selz)
1. Cells between the seminiferous tubules of the testis that secrete testosterone.
Synonym(s): Leydig cells.
2. Cells derived from the theca interna of atretic follicles of the ovary; they resemble luteal cells and are an important source of estrogens.
3. Pineal cells similar to glial cells with long processes.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Leydig cells

Cells lying between the seminiferous tubules in the testis that secrete testosterone. (Franz Leydig, 1821–1908, German zoologist).
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Leydig cells

or

interstitial cells

the cells of the testes that secrete TESTOSTERONE when stimulated by LUTEINIZING HORMONE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Leydig cells

Cells that make up the endocrine tissue of the testis and produce testosterone. They are named for Franz von Leydig (1821–1908), the German professor of anatomy who first identified them.
Mentioned in: Klinefelter Syndrome
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

Leydig,

Franz von, German anatomist, 1821-1908.
Leydig cell adenoma - small benign tumors of the testis that often produce testosterone, causing endocrine symptoms. Synonym(s): interstitial cell tumor of testis
Leydig cells - cells between the seminiferous tubules of the testis that secrete testosterone. Synonym(s): interstitial cells
Leydig drain
Leydig duct - embryonic duct which becomes ductus deferens in males.
Medical Eponyms © Farlex 2012
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References in periodicals archive ?
A new variant in signal peptide of the human luteinizing hormone receptor (LHCGR) affects receptor biogenesis causing leydig cell hypoplasia.
Novel Compound Heterozygous Variants in the LHCGR Gene in a Genetically Male Patient with Female External Genitalia
* The administration of BD in mice improved male reproductive parameters such as increasing sex hormone levels (FSH, LH, and testosterone), sperm quality, and Leydig cell number with no effect on the level of androgen receptor gene expression.
The Impact of Echium Amoenum Distillate, on Naturally Boosting Fertility: Potential Ameliorative Role in Male Mice Reproductive Parameters
The interstitium is composed of vascular loose fibrous connective tissue and Leydig cells.
HISTOLOGY ATLAS AND SYSTEMATIC APPROACH TO POSTMORTEM EXAMINATION OF THE QUEEN CONCH LOBATUS GIGAS
Treating the cells with L-NAME, a NOS inhibitor, revealed that basal NO, at least in Leydig cells, was not enough to significantly modify the amplitude of the ATP-induced currents.
Nitric oxide modulates ATP-evoked currents in mouse Leydig cells
Positive immuno-staining of CYP17 was exclusively localized in the Leydig cells. Bars = 10 [micro]m and bars in inserts = 5 [micro]m.
Effects of nandrolone decanoate on expression of steroidogenic enzymes in the rat testis
Chemerin, CMKLR1, and GPR1 are localized specifically on Leydig cells and poorly on germ cells [16].
Adipokines in Semen: Physiopathology and Effects on Spermatozoas
In adult rat Leydig cell cultures, both retinol and retinoic acid-enriched media showed a direct stimulatory effect on testosterone biosynthesis via 3[beta]-HSD compared to control media, as measured by radioimmunoassay.
An Assessment of Testosterone and its Essential Metabolites for Prostate Cancer Risk
Theophylline, a caffeine metabolite and pharmaceutical used in the treatment of asthma had previously been shown to impair Leydig cell development in the rat (Pollard et al.
Endocrine disruption in human fetal testis explants by individual and combined exposures to selected pharmaceuticals, pesticides, and environmental pollutants
They screened 11 transcription factors that could affect the ability of Leydig cells to produce testosterone.
Stem cell strategy for boosting testosterone levels tested in rodents
As the primary source of synthesizing and secreting testosterone in mammalian testes, adult Leydig cells (ALCs) play essential roles in maintaining vital movement [3].
Identification of Stem Leydig Cells Derived from Pig Testicular Interstitium
The seminiferous tubules and Leydig cells were quantified by a stereological method [12-14].
Study of Testicular Structure in Fetuses with Prune Belly Syndrome
Many studies have demonstrated that LOH is closely linked to a deficiency in serum testosterone levels [1-3] because the total number of Leydig cells, which are the main source of testosterone in middle-aged men, decreases to about a half of that seen in young men [4, 5].
Antioxidant and Antifibrotic Effect of a Herbal Formulation In Vitro and in the Experimental Andropause via Nrf2/HO-1 Signaling Pathway

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