APUD cells — cells that share the metabolic property of amine precursor uptake and decarboxylation. They have a wide distribution, especially in the mucosa of the gastrointestinal tract and pancreas, and are able to form a large variety of peptide hormonal… … The new mediacal dictionary
APUD cells — Acronym for amine precursor uptake and decarboxylation cells: paracrine cells of which argentaffin cells are an example. Usage neither helpful nor memorable … Dictionary of molecular biology
APUD — Proposed designation for a group of cells in different organs secreting polypeptide hormones or neurotransmitters. Cells in this group have certain biochemical characteristics in common, the first letters of which form the name: they contain… … Medical dictionary
chromaffin cells — 1. a type of APUD cells that stain readily with chromium salts, their cytoplasmic granules taking on a characteristic brown color; they are found especially in cells of the adrenal medulla and in paraganglia of the coccygeal gland and carotid… … Medical dictionary
argentaffin cells — So called because they will form cytoplasmic deposits of metallic silver from silver salts. Their characteristic histochemical behaviour arises from 5 HT (serotonin), which they secrete. Found chiefly in the epithelium of the gastrointestinal… … Dictionary of molecular biology
enteroendocrine cells — a group of APUD cells, which may be divided into a number of populations on the basis of polypeptide hormone and biogenic amine production, found scattered throughout the gastrointestinal epithelium, mainly at the base of the epithelium; their… … Medical dictionary
amine precursor uptake and decarboxylation cells — APUD c s … Medical dictionary
Ductal cells — refer to cells lining the pancreatic duct and are responsible for production of bicarbonate rich secretion. Ductal cells are stimulated by the hormone secretin and are responsible for maintenance of the duodenal pH and prevention of duodenal… … Wikipedia
Enteroendocrine cells — are specialized endocrine cells of the gastrointestinal tract. They produce hormones such as serotonin [UIUCHistologySubject|321] , somatostatin, motilin, cholecystokinin, gastric inhibitory peptide, neurotensin, vasoactive intestinal peptide,… … Wikipedia
Sistema APUD — Acción de las principales hormonas digestivas secretadas por las células APUD. El sistema APUD es un sistema hormonal paralelo al sistema endocrino común, que se caracteriza por conformarse a partir de epitelios, ya que la producción hormonal de… … Wikipedia Español
