teratoma

American  

[ter-uh-toh-muh] / ˌtɛr əˈtoʊ mə /

noun

Pathology.

plural

teratomas, teratomata

1. a tumor made up of different types of tissue.

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teratoma British  

/ ˌtɛrəˈtəʊmə /

noun

1. a tumour or group of tumours composed of tissue foreign to the site of growth

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Etymology

Origin of teratoma

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

Example Sentences

Its causes include a benign ovarian tumor called a teratoma.

From Washington Post • Nov. 19, 2022

Obokata, though, reported coaxing them into forming teratoma, complex tumors that provide strong evidence of 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

The complicated teratoma of this class may contain, in addition to the previously mentioned structures, cartilage and glands, mucous and serous membrane, muscle, nerves, and cerebral substance, portions of eyes, fingers with nails, mammae, etc.

From Anomalies and Curiosities of Medicine by Pyle, Walter L. (Walter Lytle)