WordNet

small room in which a monk or nun lives (同)cubicle
a device that delivers an electric current as the result of a chemical reaction (同)electric cell
a room where a prisoner is kept (同)jail cell, prison cell
(biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
any small compartment; "the cells of a honeycomb"
a small unit serving as part of or as the nucleus of a larger political movement (同)cadre
a unit of force equal to the force exerted by gravity; used to indicate the force to which a body is subjected when it is accelerated (同)gee, g-force
the 7th letter of the Roman alphabet (同)g

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(刑務所の)『独房』;(修道院の)小さい独居室 / (ミツバチの)みつ房,巣穴 / 小さい部屋 / 『細胞』 / 電池 / 花粉室 / (共産党などの)細胞

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2018/09/02 02:39:08」(JST)

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In anatomy, the G cell (or γ-cell) is a type of cell in the stomach and duodenum that secretes gastrin. It works in conjunction with gastric chief cells and parietal cells. G cells are found deep within the pyloric glands of the stomach antrum, and occasionally in the pancreas^[1] and duodenum. The vagus nerve innervates the G cells. Gastrin-releasing peptide is released by the post-ganglionic fibers of the vagus nerve onto G cells during parasympathetic stimulation. The peptide hormone bombesin also stimulates gastrin from G cells. Gastrin-releasing peptide, as well as the presence of amino acids in the stomach, stimulates the release of gastrin from the G cells. Gastrin stimulates enterochromaffin-like cells to secrete histamine.^[2] Gastrin also targets parietal cells by increasing the amount of histamine and the direct stimulation by gastrin, causing the parietal cells to increase HCl secretion in the stomach.

Structure

Micrograph of the gastric antrum showing abundant fried egg-like G cells. H&E stain.

G cells have a distinctive microscopic appearance that allows one to separate them from other cells in the gastric antrum; their nuclei are centrally located in the cell. They are found in the middle portion of the gastric glands.

References

^ "G cell", Medcyclopaedia, GE ^{[dead link]}
^ Guyton, Arthur C.; John E. Hall (2006). Textbook of Medical Physiology (11 ed.). Philadelphia: Elsevier Saunders. p. 797. ISBN 0-7216-0240-1.

External links

Definition at thefreedictionary.com
Physiology: {{{1}}} - Essentials of Human Physiology

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Related Pictures

★リンクテーブル★

リンク元	「G細胞」「gastrin cell」「gastrin-secreting cell」
関連記事	「G」「cell」「Gd」「g」

「G細胞」

G cell
	Control of stomach acid
Details
System	Digestive system
Location	Stomach and duodenum
Function	Gastrin secretion
Identifiers
Latin	endocrinocytus G
TH	H3.04.02.0.00031
	Anatomical terms of microanatomy; [edit on Wikidata]