pheochromocytoma

[n] - a vascular tumor of the adrenal gland
Found on http://www.webdictionary.co.uk/definition.php?query=pheochromocytoma

Pheochromocytoma

a noncancerous tumour of cells that produce epinephrine and norepinephrine, causing higher levels of these hormones in the blood and an increase in blood pressure
Found on http://www.medichecks.com/glossary.cfm?ltr=P

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 quan...
Found on http://www.encyclo.co.uk/local/20973

pheochromocytoma

phaeochromocytoma noun a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
Found on https://www.encyclo.co.uk/local/20974

pheochromocytoma

(fe″o-kro″mo-si-to´mә) a small tumor of the chromaffin cells, usually in the adrenal medulla but occasionally in chromaffin tissue of the sympathetic paraganglia. It is relatively rare and tends to occur in families. It can be cured if diagnosed early, but can be fatal once it causes irreparable damage...
Found on http://www.encyclo.co.uk/local/21001

pheochromocytoma

tumour, most often nonmalignant, that causes abnormally high blood pressure because of hypersecretion of the hormones epinephrine and norepinephrine. ... [3 related articles]
Found on http://www.britannica.com/eb/a-z/p/55

pheochromocytoma

pheochromocytoma 1. A usually benign tumor of the adrenal medulla or the sympathetic nervous system in which the affected cells secrete increased amounts of epinephrine or norepinephrine. 2. A tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, ...
Found on http://www.wordinfo.info/words/index/info/view_unit/1623/

pheochromocytoma

Type: Term Pronunciation: fē′ō-krō′mō-sī-tō′mă Definitions: 1. A functional chromaffinoma, usually benign, derived from adrenal medullary tissue cells and characterized by the secretion of catecholamines, resulting in hypertension, which may be paroxysmal and associated with attacks of palpitatio...
Found on http://www.medilexicon.com/medicaldictionary.php?t=68084

pheochromocytoma

Tumor that forms in the center of the adrenal gland (gland located above the kidney) that causes it to make too much adrenaline. Pheochromocytomas are usually benign (not cancer) but can cause high blood pressure, pounding headaches, heart palpitations, flushing of the face, nausea, and vomiting.
Found on http://www.cancer.gov/dictionary?expand=P

Pheochromocytoma

A pheochromocytoma (from Greek phaios `dark`, chroma `color`, kytos `cell`, -oma `tumor`) or phaeochromocytoma (PCC) is a neuroendocrine tumor of the medulla of the adrenal glands (originating in the chromaffin cells), or extra-adrenal chromaffin tissue that failed to involute after birth and secretes high amounts of catecholamines, mostly...
Found on http://en.wikipedia.org/wiki/Pheochromocytoma
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