chromaffin cell sentence in Hindi
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- It is expressed in noradrenergic nerve terminals of the central and peripheral nervous systems, as well as in chromaffin cells of the adrenal medulla.
- Doc2b enhances Ca ( 2 + )-dependent exocytosis in adipocytes, chromaffin cells of the adrenal gland and beta cells in the pancreas.
- Within this endocrine gland, pre-ganglionic neurons synapse with chromaffin cells, stimulating the chromaffin to release norepinephrine and epinephrine directly into the blood.
- In mast cells, this takes the form of histamine secretion, while in platelets and chromaffin cells release serotonin and catecholamines are found, respectively.
- Second, chromaffin cells of the adrenal medulla are technically post-ganglionic, but receive stimulation via acetylcholine to release catecholamines such as epinephrine and norepinephrine.
- The chromaffin cells of the adrenal medulla act as " modified neurons ", releasing adrenaline and noradrenaline into the bloodstream as hormones instead of as neurotransmitters.
- The sympathetic nervous system also has some preganglionic nerves terminating at the chromaffin cells in the adrenal medulla, which secrete epinephrine and norepinephrine into the bloodstream.
- Examples of cells producing chromogranin A ( ChgA ) are chromaffin cells of the adrenal medulla, paraganglia, enterochromaffin-like cells and beta cells of the pancreas.
- When a distinction is made, the " aortic bodies " are chemoreceptors which regulate circulation, while the " paraaortic bodies " are the chromaffin cells which manufacture catecholamines.
- When a distinction is made, the " aortic bodies " are chemoreceptors which regulate Circulatory system, while the " paraaortic bodies " are the chromaffin cells which manufacture catecholamines.
- Chromaffin cells of the adrenal medulla are analogous to post-ganglionic neurons; the adrenal medulla develops in tandem with the sympathetic nervous system and acts as a modified sympathetic ganglion.
- Composed mainly of hormone-producing chromaffin cells, the adrenal medulla is the principal site of the conversion of the amino acid tyrosine into the catecholamines epinephrine, norepinephrine, and dopamine.
- Enterochromaffin-like cells, both being enteroendocrine cells, are also considered neuroendocrine cells due to their structural and functional similarity to chromaffin cells, although they are not derivatives of the neural crest.
- While PNMT is found primarily in the cytosol of the endocrine cells of the adrenal medulla ( also known as chromaffin cells ), it has been detected at low levels in both the heart and brain.
- The adrenal medulla produces adrenomedullary hormones in chromaffin cells, cells which are very similar in structure to post-synaptic sympathetic neurons, even though they are not neurons they are derivatives of the neural crest.
- In non-mammals, chromaffin cells are found in a variety of places, generally not organized as an individual organ, and may be without innervation, relying only on endocrine or paracrine signals for secretion.
- The enterochromaffin cells are so named because of their histological similarity to chromaffin cells ( they also stain yellow when treated with chromium salts ), but their function is quite different and they are not derivatives of the neural crest.
- The concept of a false transmitter is credited to Irwin Kopin of the National Institute of Neurological Disorders and Stroke who determined that the drug tyramine increased blood pressure by being loaded and then released from secretory vesicles of the adrenal chromaffin cells.
- Sulzer and colleagues reported the first direct recordings of quantal neurotransmitter release from brain synapses using an electrochemistry technique known as amperometry using microelectrodes in an approach previously used by Mark Wightman, a chemist at the University of North Carolina, to measure release of adrenaline from adrenal chromaffin cells.
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