pheochromocytoma

noun
pheo·​chro·​mo·​cy·​to·​ma | \ ˌfē-ə-ˌkrō-mə-sə-ˈtō-mə How to pronounce pheochromocytoma (audio) , -sī-\
plural pheochromocytomas or less commonly pheochromocytomata\ ˌfē-​ə-​ˌkrō-​mə-​sə-​ˈtō-​mə-​tə How to pronounce pheochromocytomata (audio) , -​sī-​ \

Definition of pheochromocytoma

: a tumor that is derived from chromaffin cells and is usually associated with paroxysmal or sustained hypertension Pheochromocytoma is a rare cause of hypertensive crisis. The hypertension may be either sustained or paroxysmal, with episodes of headache, diaphoresis, palpitations, anxiety, nausea, vomiting, and abdominal pain.— David A. Calhoun et al.

called also pheo

Examples of pheochromocytoma in a Sentence

Recent Examples on the Web

The rare cancer in question is called pheochromocytoma. Madeline Mcgee, Anchorage Daily News, "‘No time to wait’: After unprecedented cancer recovery, Wasilla man plans to make the most of the time he’s been given," 15 July 2019 Lisa Sanders’s pheochromocytoma case study made me weep. New York Times, "The 6.11.17 Issue," 23 June 2017 Donations in memory of Jessica Lum may be made to find a cure for pheochromocytoma. Pete Brook, WIRED, "Respect, Love and Desert Tales Are a Young Photojournalist’s Legacy," 17 July 2013 Individuals can have more adrenaline than normal in times of physical or psychological stress, but levels this high strongly suggested that the patient had an adrenaline-producing tumor known as a pheochromocytoma or pheo. Lisa Sanders, M.d., New York Times, "She Had Never Suffered From Anxiety. Was She Having Her First Panic Attack?," 7 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pheochromocytoma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of pheochromocytoma

1920, in the meaning defined above

History and Etymology for pheochromocytoma

New Latin, from International Scientific Vocabulary pheochromocyte chromaffin cell (from pheochrome chromaffin — from Greek phaios dusky, gray + International Scientific Vocabulary -chrome — + -cyte) + New Latin -oma

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Dictionary Entries near pheochromocytoma

phenylurethan

phenytoin

pheo

pheochromocytoma

pheon

pheoporphyrin

-pher

Statistics for pheochromocytoma

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Time Traveler for pheochromocytoma

The first known use of pheochromocytoma was in 1920

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More Definitions for pheochromocytoma

pheochromocytoma

noun
pheo·​chro·​mo·​cy·​to·​ma
variants: or British phaeochromocytoma \ ˌfē-​ə-​ˈkrō-​mə-​sə-​ˈtō-​mə, -​sī-​ How to pronounce phaeochromocytoma (audio) \
plural pheochromocytomas also pheochromocytomata\ -​mət-​ə How to pronounce pheochromocytomata (audio) \

Medical Definition of pheochromocytoma

: a tumor that is derived from chromaffin cells and is usually associated with paroxysmal or sustained hypertension Pheochromocytoma is a rare cause of hypertensive crisis. The hypertension may be either sustained or paroxysmal, with episodes of headache, diaphoresis, palpitations, anxiety, nausea, vomiting, and abdominal pain.— David A. Calhoun et al.

called also pheo

More from Merriam-Webster on pheochromocytoma

Britannica.com: Encyclopedia article about pheochromocytoma

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