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・ Parinamika
・ Parinaqucha
・ Parinaquta (Carabaya)
・ Paridhi Sharma
・ Paridiniyamam Parithiappar Temple
・ Paridol
・ Parie
・ Parienia
・ Pariente's fork-marked lemur
・ Parietal
・ Parietal art
・ Parietal bone
・ Parietal branch
・ Parietal branch of superficial temporal artery
・ Parietal callus
Parietal cell
・ Parietal eminence
・ Parietal eye
・ Parietal foramen
・ Parietal lobe
・ Parietal reach region
・ Parietal scales
・ Parietal-temporal-occipital
・ Parietales
・ Parietals
・ Parietaria
・ Parietaria debilis
・ Parietaria floridana
・ Parietaria hespera
・ Parietaria judaica


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Parietal cell : ウィキペディア英語版
Parietal cell

Parietal cells (also known as oxyntic or delomorphous cells), are the epithelial cells that secrete hydrochloric acid (HCl) and intrinsic factor. These cells are located in the gastric glands found in the lining of the fundus and in the body of the stomach. They contain an extensive secretory network (called canaliculi) from which the HCl is secreted by active transport into the stomach. The enzyme hydrogen potassium ATPase (H+/K+ ATPase) is unique to the parietal cells and transports the H+ against a concentration gradient of about 3 million to 1, which is the steepest ion gradient formed in the human body. Parietal cells are primarily regulated via histamine, acetylcholine and gastrin signaling from both central and local modulators (''see 'Regulation')''.
== Secretion of hydrochloric acid ==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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