| ¿µ¹® | pheochromocytoma | ÇÑ±Û | Å©·Òģȼ¼Æ÷Á¾ |
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| Pheo | pheochromocytoma; pheophytin |
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| Pheo | Pheochromocytoma |
|---|
| pheo- | 1. Prefix denoting the same substituents on a phorbin or phorbide (porphyrin) residue as are present in chlorophyll, excluding any ester residues and Mg. 2. Combining form meaning gray, dark-coloured. Origin: G. Phaios, dusky (05 Mar 2000) |
|---|---|
| pheochrome | Synonym: chromaffin. 2. Staining darkly with chromic salts. Origin: G. Phaios, dusky, + chroma, colour (05 Mar 2000) |
| pheochrome cell | Former term for enteroendocrine cell. Synonym: pheochromocyte. (05 Mar 2000) |
| pheochromoblast | A primitive chromaffin cell which, with sympathetoblasts, enters into the formation of the adrenal gland. Origin: G. Phaios, dusky, + chroma, colour, + blastos, germ (05 Mar 2000) |
| pheochromoblastoma | <tumour> Obsolete term for pheochromocytoma. (05 Mar 2000) |
| pheochromocyte | A chromaffin cell of a sympathetic paraganglion, medulla of an adrenal gland, or of a pheochromocytoma. Synonym: pheochrome cell. Origin: pheochrome + G. Kytos, cell (05 Mar 2000) |
| pheochromocytoma | <oncology, tumour> A tumour of the adrenal gland which produces catecholamines (noradrenaline and adrenaline). Although the tumour is usually benign it produces hypertension, pounding headaches, tachycardia, palpitations, apprehension, facial flushing, nausea and vomiting. A diagnosis can be made using a urine test which measures the quantity of adrenaline byproducts. Adrenal tumours may be detected by CT, MRI or a nuclear scan of the adrenal glands. (15 Oct 1997) |
| pheomelanin | A type of melanin found in red hair; it contains sulfur and is alkali-soluble; elevated levels are found in the rufous type of oculocutaneous albinism. Compare: eumelanin. Origin: G. Phaios, dusky, + melos (melan-), black (05 Mar 2000) |
| pheomelanogenesis | The formation of pheomelanin by living cells. (05 Mar 2000) |
| pheomelanosome | A spherical melanosome of pheomelanin in red hair. (05 Mar 2000) |
| pheophytins | Chlorophylls from which the magnesium has been removed by treatment with weak acid. (12 Dec 1998) |
Synonyms : Extra-Adrenal Pheochromocytoma, Extra-Adrenal Pheochromocytomas, Pheochromocytoma, Extra Adrenal, Pheochromocytomas, Pheochromocytomas, Extra-Adrenal
Synonyms :
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| pheochromocytoma |
a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
Ãâó: wordnet.princeton.edu/perl/webwn
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| pheochromocytoma |
A pheochromocytoma (also phaeochromocytoma, English spelling) is a tumor in the medulla of the adrenal glands (or, rarely, the ganglia of the sympathetic nervous system) which secretes excessive amounts of catecholamines, usually epinephrine and norepinephrine. The signs and symptoms of a pheochromocytoma are those of sympathetic nervous system hyperactivity: elevated heart rate and blood pressure and anxiety often resembling that of a panic attack. ...
Ãâó: en.wikipedia.org/wiki/Pheochromocytoma
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| pheochromocytoma |
A tumor of the adrenal gland that causes it to produce too much adrenaline. Pheochromocytomas are usually benign (noncancerous), but can cause dangerously high blood pressure and other symptoms, including pounding headaches, heart palpitations, flushing of the face, nausea, and vomiting.
Ãâó: www.stjude.org/glossary
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| pheochromocytoma |
a noncancerous tumor of cells that produce epinephrine and norepinephrine, causing higher levels of these hormones in the blood and an increase in blood pressure
Ãâó: www.american-depot.com/services/resources_gl_p.asp
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| pheochromocytoma |
A relatively severe tumour of adrenal-gland chromaffin cells that causes excess release of adrenaline and noradrenaline and is therefore characterized by hypertension and tachycardia.
Ãâó: www.nature.com/nrc/journal/v3/n10/glossary/nrc1188...
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| Pheo | a vascular tumor of the adrenal gland |
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