Fine morphology of the secretory mode of the tetragastrin-stimulated chief cells of human and dog gastric mucosa. 1978

M Machino, and A Aoike, and H Ikeuchi, and Z Sasaki, and F Misaki, and K Kawai

The chief cells of the gastrin-stimulated gastric mucosa of human and dog were observed under a light and electron microscope. Four microgram/kg AOC-tetragastrin were given parenterally by a single shot to a man and three dogs respectively. Pepsinogen in the gastric mucosa increased at the wash-out stage and at the following dynamic equibrium stage of the chief cell secretion cycle after the administration of AOC-tetragastrin. During those stages, the chief cells released zymogen granules intensively. As the main ultrastructural process for releasing the zymogen granules, the emiocytosis in man and the apical cytoplasm dissociation in dog were discussed.

UI MeSH Term Description Entries
D008297 Male Males
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005753 Gastric Mucosa Lining of the STOMACH, consisting of an inner EPITHELIUM, a middle LAMINA PROPRIA, and an outer MUSCULARIS MUCOSAE. The surface cells produce MUCUS that protects the stomach from attack by digestive acid and enzymes. When the epithelium invaginates into the LAMINA PROPRIA at various region of the stomach (CARDIA; GASTRIC FUNDUS; and PYLORUS), different tubular gastric glands are formed. These glands consist of cells that secrete mucus, enzymes, HYDROCHLORIC ACID, or hormones. Cardiac Glands,Gastric Glands,Pyloric Glands,Cardiac Gland,Gastric Gland,Gastric Mucosas,Gland, Cardiac,Gland, Gastric,Gland, Pyloric,Glands, Cardiac,Glands, Gastric,Glands, Pyloric,Mucosa, Gastric,Mucosas, Gastric,Pyloric Gland
D005755 Gastrins A family of gastrointestinal peptide hormones that excite the secretion of GASTRIC JUICE. They may also occur in the central nervous system where they are presumed to be neurotransmitters. Gastrin
D006056 Golgi Apparatus A stack of flattened vesicles that functions in posttranslational processing and sorting of proteins, receiving them from the rough ENDOPLASMIC RETICULUM and directing them to secretory vesicles, LYSOSOMES, or the CELL MEMBRANE. The movement of proteins takes place by transfer vesicles that bud off from the rough endoplasmic reticulum or Golgi apparatus and fuse with the Golgi, lysosomes or cell membrane. (From Glick, Glossary of Biochemistry and Molecular Biology, 1990) Golgi Complex,Apparatus, Golgi,Complex, Golgi
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013758 Tetragastrin L-Tryptophyl-L-methionyl-L-aspartyl-L-phenylalaninamide. The C-terminal tetrapeptide of gastrin. It is the smallest peptide fragment of gastrin which has the same physiological and pharmacological activity as gastrin. CCK-4,Cholecystokinin-Tetrapeptide,Gastrin Tetrapeptide,AOC-Tetragastrin,AOC-Tetrapeptide,CCK (30-33),CKK-4,Cholecystokinin (30-33),Cholecystokinin 4,AOC Tetragastrin,AOC Tetrapeptide,Cholecystokinin Tetrapeptide,Tetrapeptide, Gastrin

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