What does chromaffin granules mean?
Definitions for chromaffin granules
chro·maf·fin gran·ules
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Wikipedia
chromaffin granules
Chromaffin cells, also called pheochromocytes (or phaeochromocytes), are neuroendocrine cells found mostly in the medulla of the adrenal glands in mammals. These cells serve a variety of functions such as serving as a response to stress, monitoring carbon dioxide and oxygen concentrations in the body, maintenance of respiration and the regulation of blood pressure. They are in close proximity to pre-synaptic sympathetic ganglia of the sympathetic nervous system, with which they communicate, and structurally they are similar to post-synaptic sympathetic neurons. In order to activate chromaffin cells, the splanchnic nerve of the sympathetic nervous system releases acetylcholine, which then binds to nicotinic acetylcholine receptors on the adrenal medulla. This causes the release of catecholamines. The chromaffin cells release catecholamines: ~80% of adrenaline (epinephrine) and ~20% of noradrenaline (norepinephrine) into systemic circulation for systemic effects on multiple organs (similarly to secretory neurones of the hypothalamus), and can also send paracrine signals. Hence they are called neuroendocrine cells.
U.S. National Library of Medicine
Chromaffin Granules
Organelles in CHROMAFFIN CELLS located in the adrenal glands and various other organs. These granules are the site of the synthesis, storage, metabolism, and secretion of EPINEPHRINE and NOREPINEPHRINE.
Numerology
Chaldean Numerology
The numerical value of chromaffin granules in Chaldean Numerology is: 9
Pythagorean Numerology
The numerical value of chromaffin granules in Pythagorean Numerology is: 1
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"chromaffin granules." Definitions.net. STANDS4 LLC, 2024. Web. 20 May 2024. <https://www.definitions.net/definition/chromaffin+granules>.
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