adrenal medulla sentence in Hindi
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- Catecholamines are produced mainly by the chromaffin cells of the adrenal medulla and the postganglionic fibers of the sympathetic nervous system.
- Those hormones that stimulate emotions include testosterone produced by the Leydig cells, adrenaline and norepinephrine, both produced by the adrenal medulla.
- A pheochromocytoma is a rarely occurring tumor of the adrenal medulla, caused either by genetic factors or certain types of cancer.
- There were even significant variations in the incidences of adrenal medulla tumors among rats from the same source raised in different laboratories.
- "' Paroxysmal hypertension "'is episodic and volatile stress of any sort, or from a pheochromocytoma, a type of tumor involving the adrenal medulla.
- The adrenal medulla is driven by the sympathetic nervous system via preganglionic fibers originating in the thoracic spinal cord, from vertebrae T5 T11.
- Using immunohistochemistry, synaptophysin can be demonstrated in a range of neural and neuroendocrine tissues, including cells of the adrenal medulla and pancreatic islets.
- Second, chromaffin cells of the adrenal medulla are technically post-ganglionic, but receive stimulation via acetylcholine to release catecholamines such as epinephrine and norepinephrine.
- It is expressed in noradrenergic nerve terminals of the central and peripheral nervous systems, as well as in chromaffin cells of the adrenal medulla.
- Specific adrenal medulla cells, and activates heterotrimeric G-proteins inhibit VMAT2 activity in the brain, regardless of whether localised on small clear-core or large-dense-core vesicles.
- Endogenous amines are produced in many different tissues ( for example : adrenaline in adrenal medulla or histamine in mast cells and liver ).
- Examples of cells producing chromogranin A ( ChgA ) are chromaffin cells of the adrenal medulla, paraganglia, enterochromaffin-like cells and beta cells of the pancreas.
- In addition, some thoracic fibers in the splanchnic nerves innervate the adrenal medulla, a ganglion in the abdomen that mediates the sympathetic response to stress.
- The concept of the adrenal medulla and the sympathetic nervous system being involved in the flight, fight and fright response was originally proposed by Cannon.
- In the center is the adrenal medulla, which produces adrenaline and noradrenaline and releases them into the bloodstream, as part of the sympathetic nervous system.
- 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.
- During exercise the epinephrine blood concentration rises partially from increased secretion from the adrenal medulla and partly from decreased metabolism because of reduced hepatic blood flow.
- Highest secretoneurin levels are found in anterior pituitary, followed by adrenal medulla and posterior pituitary hypothalamus ( 2-to 6-fold lower levels in other brain regions investigated ).
- In humans, traumatic stress is associated with acute secretion of epinephrine and norepinephrine ( adrenaline and noradrenaline ) from the adrenal medulla and cortisol from the adrenal cortex.
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