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teratoma

[ ter-uh-toh-muh ]

noun

, Pathology.
, plural ter·a·to·mas, ter·a·to·ma·ta [ter-, uh, -, toh, -m, uh, -t, uh].
  1. a tumor made up of different types of tissue.


teratoma

/ ˌtɛrəˈtəʊmə /

noun

  1. a tumour or group of tumours composed of tissue foreign to the site of growth
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of teratoma1

First recorded in 1885–90; terat- + -oma
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Example Sentences

Her only physical abnormalities, it seemed, were mild brain inflammation and a teratoma—a rare kind of germ cell tumor—in her ovary.

That my children — and so many black and brown children — had been needlessly confronted by law enforcement fed that teratoma of anger and anxiety growing inside me.

Doctors also thought the mass could be a teratoma, a rare tumor containing fully developed organs or tissues like hair, muscle or teeth.

Researchers note that the occurrence is very similar to that of a teratoma, which is a type of embryonal tumor that typically forms from germ cells.

Teratomas that trigger this type of brain destruction are rare and only recently described; the first two cases of psychosis caused by a teratoma were reported just 20 years ago.

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teratologyteratophobia