| 词汇 | example_english_adrenal-medulla |
| 释义 | Examples of adrenal medullaThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. First causing a release of glucose from the liver and epinephrine (adrenaline) from the adrenalmedulla, it causes stimulation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are two parts of the adrenal glands, the adrenal cortex and the adrenalmedulla. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. But the adrenalmedulla, in contrast to the adrenal cortex, is not required for survival. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The adrenalmedulla produces neurotransmitters, namely, the catecholamines, epinephrine, and norepinephrine. These biological responses are mediated both by direct autonomic innervation of target organs by postganglionic neurons and by secretion of epinephrine and norepinephrine by the adrenalmedulla. Release of the hormones epinephrine and norepinephrine from the adrenalmedulla of the adrenal glands is part of the fight-or-flight response. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nicotinic receptors cause the release of catecholamine from the adrenalmedulla, and also site specific excitation or inhibition in brain. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The two exceptions mentioned above are postganglionic neurons of sweat glands and chromaffin cells of the adrenalmedulla. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Using immunohistochemistry, synaptophysin can be demonstrated in a range of neural and neuroendocrine tissues, including cells of the adrenalmedulla and pancreatic islets. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because it is innervated by preganglionic nerve fibers, the adrenalmedulla can be considered as a specialized sympathetic ganglion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These substances are released in the adrenalmedulla, which is richly vascular. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The neural crest of the ectoderm develops into: peripheral nervous system, adrenalmedulla, melanocytes, facial cartilage, dentin of teeth. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At seven weeks of gestation, the adrenal cells are joined by sympathetic cells that originate from the neural crest to form the adrenalmedulla. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the adrenalmedulla, acetylcholine is used as a neurotransmitter, and the receptor is of the "nicotinic" type. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The adrenalmedulla is considered a sympathetic ganglion and, like other sympathetic ganglia, is supplied by cholinergic preganglionic sympathetic fibers; acetylcholine is its neurotransmitter. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are concentrated near the adrenal glands and essentially function the same way as the adrenalmedulla. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The adrenalmedulla is derived from ectodermal cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Neuroblastoma and pheochromocytoma are the two most important tumors which arise from the adrenalmedulla. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Endogenous amines are produced in many different tissues (for example: adrenaline in adrenalmedulla or histamine in mast cells and liver). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There were even significant variations in the incidences of adrenalmedulla tumors among rats from the same source raised in different laboratories. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Therefore, there must be some autonomy of the adrenalmedulla from the rest of the sympathetic system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An example of a neuroendocrine cell is a cell of the adrenalmedulla (innermost part of the adrenal gland), which releases adrenaline to the blood. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In addition, some thoracic fibers in the splanchnic nerves innervate the adrenalmedulla, a ganglion in the abdomen that mediates the sympathetic response to stress. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Extremely high levels of catecholamine can also be caused by neuroendocrine tumors in the adrenal medulla, a treatable condition known as pheochromocytoma. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Stimulation of the adrenalmedulla releases adrenaline (epinephrine) into the bloodstream, which acts on adrenoceptors, producing a widespread increase in sympathetic activity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Clonidine mimics catecholamines in the brain, causing it to reduce the activity of the sympathetic nerves controlling the adrenalmedulla. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. More specifically, the adrenalmedulla produces a hormonal cascade that results in the secretion of catecholamines, especially norepinephrine and epinephrine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are a neural crest derivative and share a common sympathoadrenal precursor cell with sympathetic neurons and chromaffin cells (adrenalmedulla). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The cells of the adrenalmedulla are actually modified postganglionic neurons which secrete epinephrine and norepinephrine directly into the blood stream rather than into a synapse. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. During exercise the epinephrine blood concentration rises partially from increased secretion from the adrenalmedulla and partly from decreased metabolism because of reduced hepatic blood flow. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Therefore, this response that acts primarily on the cardiovascular system is mediated directly via impulses transmitted through the sympathetic nervous system and indirectly via catecholamines secreted from the adrenalmedulla. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The adrenalmedulla is activated and releases epinephrine (adrenaline) into the bloodstream, where it mediates many changes, such as the preparation of muscles for emergency activity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. After which, the adrenalmedulla secretes epinephrine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chromaffin cells of the adrenalmedulla are analogous to post-ganglionic neurons; the adrenal medulla develops in tandem with the sympathetic nervous system and acts as a modified sympathetic ganglion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Highest secretoneurin levels are found in anterior pituitary, followed by adrenalmedulla and posterior pituitary hypothalamus (2- to 6-fold lower levels in other brain regions investigated). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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