- argentaffin granules
- granules that stain with silver.
Medical dictionary. 2011.
argentaffin granules
Look at other dictionaries:
argentaffin cell — ▪ anatomy one of the round or partly flattened cells occurring in the lining tissue of the digestive tract and containing granules thought to be of secretory function. These epithelial cells, though common throughout the digestive tract,… … Universalium
argentaffin — ar·gen·taf·fin är jent ə fən or ar·gen·taf·fine fən, .fēn adj 1 a) depositing reduced silver from ammoniated silver hydroxide solutions used of certain cell granules containing phenols or polyamines b) of, relating to, or being argentaffin cells… … Medical dictionary
argentaffin cells — cells that stain readily with silver salts. Such cells occur, for example, in the crypts of Lieberkühn in the intestine. * * * enterochromaffin cells whose granules stain readily with chromium and silver salts, located in the basilar portions of… … Medical dictionary
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
granule — 1. A grainlike particle; a granulation; a minute discrete mass. 2. A very small pill, usually gelatin or sugar coated, containing a drug to be given in a small dose. 3. A colony of the bacterium or … Medical dictionary
methenamine silver stain — 1. (for argentaffin cells) a methenamine silver solution used together with gold chloride, sodium thiosulfate, and a safranin O counterstain; argentaffin granules are black while granules of mast cells remain red. 2. (for fungi) Grocott Gomori… … Medical dictionary
Neuroendocrine tumor — Neuroendocrine tumors Classification and external resources Micrograph of a neuroendocrine tumor. H E stain. ICD 9 … Wikipedia
Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… … 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
Paraganglioma — Classification and external resources Micrograph of a carotid body tumor (a type of paraganglioma). ICD 10 C … Wikipedia
