chromaffin cell

chromaffin cell
A type of cell that makes neurohormones (chemicals that are made by nerve cells and used to send signals to other cells) and releases them into the blood. Chromaffin cells make epinephrine (adrenaline) and norepinephrine (noradrenaline). They are found in the adrenal glands or in groups of nerve cells called ganglia.

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  • Chromaffin cell — Chromaffin cells are neuroendocrine cells found in the medulla of the adrenal gland (suprarenal gland located above the kidneys) and in other ganglia of the sympathetic nervous system. They are derived from the embryonic neural crest. In the… …   Wikipedia

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  • chromaffin — Giving a brownish yellow reaction with chromic salts; denoting certain cells in the medulla of the adrenal glands and in paraganglia. SYN: chromaphil, chromatophil (3), chromophil (3), chromophile, pheochrome (1). [chrom + L. affinis, affinity] * …   Medical dictionary

  • chromaffin reaction — the taking on of a deep brown color by tissue of the adrenal medulla or other types that contain the catecholamines epinephrine and norepinephrine, within 12 hours after it is placed in a dichromate solution; this can be used to detect… …   Medical dictionary

  • chromaffin system — the chromaffin cells of the body considered collectively; see under cell …   Medical dictionary

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