Biology
teratoma
Term: teratoma
Literally meaning: ?unusual condition, monstrous tumor?
Origin: Anc Greek
?????/teras (=unusual occurrence or phenomenon, monster)
+-???/oma(=complete set of, or a condition)
Coined/History
in 1863, by German physician Rudolf Virchow (1821-1905) written in his 3 volume compendium "Diekrankhaften. Geschwülste" in order to describe a malformed tumor.
Definition
Teratoma is a benign (mature) or malignant (immature) tumor commonly composed of multiple cell types derived from one or more of the three germ layers. Sometimes a teratoma contains mature elements such as teeth, hair or bone.
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Leiomyoma
Term: leiomyoma (or fibroids, or myoma) Literally meaning: ?growth of smooth muscles? Origin: Anc Greek?????/leios(=smooth) > ????/aleo(=to grind)+???-/myo-(=comping form meaning muscle) > ???/mys/(=muscle) > ???/myo(=enclosed like the muscle...
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Psammoma
Term: psammomaLiterally meaning: ?sand tumour?Origin: Anc Greek??????/psammos(= sand)+-???/-oma (suffix denoting state or condition of mass growth)Coined/HistoryBy German physician Rudolf Virchow(1821-1905) to describe a tumour of the meninges that contained...
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Blastoma
Term: blastomaOrigin: Anc Greek ??????> blastos (=sprout, germ) >???-??/valo(=push, throw) + ??????/istimi(=put)+ -???/-oma(=-oma, suffix meaning a state or a condition eg disease condition) CoinedIn 1961 Spencer coined the term pulmonary...
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Hamartoma
Term: hamartoma Origin: Anc Greek???????/hamartia(=sin, quilt, crime, pity)-???/oma(=complete set of, or a condition.)The Greek word "hamartia" is translated in medical terminology as a ?failure? meaning a tumor formed from malformed rather than truly...
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Sarcoma
Term: sarcoma Origin: Anc Greek ????/sarx(=flesh) + -???/-oma(=suffix denoting state or condition especially a condition of mass growth) . Coined: by Galen (ca 130-200) who described sarcoma as a ? fleshy excrescence? with the appearance of raw meat (????)...
Biology