chromaffin


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Related to chromaffin: Chromaffin cells, chromaffin tissue

chro·maf·fin

(krō'maf-in), Avoid the mispronunciation chromaf'fin.
Giving a brownish yellow reaction with chromic salts; denoting certain cells in the medulla of the adrenal glands and in paraganglia.
See also: chromaffin reaction.
Synonym(s): chromaphil, chromatophil (3) , chromophil (3) , chromophile, pheochrome (1)
[chrom- + L. affinis, affinity]

chromaffin

/chro·maf·fin/ (kro-maf´in) staining strongly with chromium salts, as the chromaffin cells.

chromaffin

(krō′mə-fĭn)
adj.
Readily stained with chromium salts: chromaffin cells of the adrenal medulla.

chromaffin

[krō′məfin]
Etymology: Gk, chroma, color; L, affin, affinity
having an affinity for staining with chromium salts, especially brown staining of the cells of the adrenal, coccygeal, and carotid glands; certain cells of the adrenal medulla; and cells of the paraganglions. Also called chromaphil [krō′məfil] .

chro·maf·fin

(krō-maf'in, krōmaf-in)
Giving a brownish yellow reaction with chromic salts; denoting certain cells in the medulla of the suprarenal glands and in paraganglia.
Synonym(s): chromatophil (3) , chromophil (3) , chromophile, pheochrome (1) .
[chrom- + L. affinis, affinity]

chromaffin

Able to be easily stained with coloured chromium salts.

chromaffin

taking up and staining strongly with chromium salts.

chromaffin reaction
application of Zenker's solution to the flat cut surface of freshly excised chromaffin tumor forms a dark pigment within 20 minutes.
chromaffin tissue
a tissue composed largely of chromaffin cells, well supplied with nerves and vessels; it occurs in the adrenal medulla and also forms the paraganglia of the body, e.g. the carotid bodies, along with the sympathetic nerves, and in other organs.
References in periodicals archive ?
Adrenal chromaffin cells as multipotential neurons for autografts.
Finally, in medullar region, large chromaffin cells and numerous blood vessels, similar to that described in Cavia porcellus were found (Kmiec and Kaczmarczyk, 2004).
There are probably other neurohumoral agents secreted by the tumor chromaffin cells, such as neuropeptide Y, that can act synergistically with the catecholamines and worsen the myocardial injury and the patient's progress.
The autonomic nervous system and chromaffin tissue: neuroendocrine regulation of catecholamine secretion in non-mammalian vertebrates.
Phaeochromocytomas are neuro-endocrine catecholamine-secreting tumours that arise from chromaffin cells of the adrenal medulla or sympathetic paraganglia.
Albillos laboratory demonstrated that the alpha6beta4 subtype is the main nAChR expressed in human adrenal chromaffin cells.
I-131-meta-iodobenzylguanidine (MIBG) has been shown to be effective in chromaffin tumours (neuroblastoma, phaeochromocytoma, and paraganglioma) as well as for carcinoid and medullary thyroid carcinoma.
Cathecolamines (epinephrine and norepinephrine) and more than thirty biologically active peptides (neuropeptide Y, dopamine, chromogranins A, B, C, methionine, calcitonin gene-related peptide, leucine, enkephalin, substance P, synaptophysine, endotelins, adrenomedullin, interleukin-1) are stored in coated granules within the chromaffin cells and are delivered through cellular depolarization and exocytosis via adrenal vein into the circulating blood (Colomer 2009).
Histological examination confirmed the presence of a chromaffin cell-based lesion arising from the adrenal medulla, arranged in trabecular architecture with cyst formation.
Paragangliomas are rare chromaffin cell tumours that derive from neural crest origin.