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teratoma

American  
[ter-uh-toh-muh] / ˌtɛr əˈtoʊ mə /

noun

Pathology.

plural

teratomas, teratomata
  1. a tumor made up of different types of tissue.


teratoma British  
/ 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

Etymology

Origin of teratoma

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Its causes include a benign ovarian tumor called a teratoma.

From Washington Post • Nov. 19, 2022

For months, they had tried to make a teratoma, the first major step to indicating pluripotency.

From The New Yorker • Feb. 29, 2016

And she had used an image of cells in a teratoma — a tumorous growth that includes multiple types of tissue — that had also appeared in her PhD dissertation.

From Nature • Jul. 2, 2014

And there is no evidence that a teratoma formed in either patient.

From Reuters • Jan. 23, 2012

Teratoma.—A teratoma is believed to result from partial dichotomy or cleavage of the trunk axis of the embryo, and is found exclusively in connection with the skull and vertebral column.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis