-omata

DEFINITION of -omata

In classical/Greek-based medical terminology, many singular nouns ending in -oma (e.g., hematoma, fibroma, carcinoma, sarcoma) can take the plural -omata (hematomata, fibromata, carcinomata, sarcomata). This is the older, more classical plural; in modern clinical English, you will also see and chart -omas as an acceptable plural (e.g., “multiple fibromas”), but -omata is still correct and shows up in pathology texts and some formal writing.

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ETYMOLOGY of -omata

• -oma comes from Greek -ōma −ωμα−ωμα, a noun-forming suffix meaning “result,” “product,” or “swelling/tumor,” especially in a pathological sense.

• The plural in Greek is -ōmata −ωˊματα−ωˊματα, which is anglicized as -omata in medical terms.

• English later also created the simpler regular plural -omas, so you now have two plurals in use: sarcomas and sarcomata are both correct.

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RELATED TERMS to -omata

• Singular vs plural:

  • Singular: -oma = tumor, neoplasm, swelling (e.g., lymphoma, melanoma, osteoma).

  • Plural: -omata (classical) or -omas (modern/colloquial clinical).

• Related “mass / lesion” suffixes:

  • -cele = hernia, protrusion (e.g., hydrocele).

  • -cyst / -cystis = sac, bladder, cyst.

  • -itis (inflammation) and -oma can intersect in cancer terms historically (e.g., lymphoma vs lymphadenitis).

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Coding angle (ICD-10-CM/CPT)

• Coding systems don’t distinguish between -oma and -omata / -omas; they just care about:

  • The type of tumor (benign vs malignant, site, histology).

  • The number and location when that impacts code choice or modifiers.

• Examples you’ll see conceptually (no single code for “-omata”):

  • Malignant neoplasms (e.g., various C codes in ICD-10-CM for carcinomas, sarcomas).

  • Benign neoplasms (D codes) or neoplasms of uncertain behavior, all built on -oma roots in the diagnostic term.

For your Obsidian setup, I’d give -oma its main entry and note -omata under it as “classical plural of -oma = multiple tumors/masses,” with a quick reminder that modern charts often use -omas instead.

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DERIVATIONS of -omata

TABLE definition AS Definition 
WHERE length(filter(roots, (word) => econtains([[]].roots, word))) > 0 AND file.name !=[[]].file.name
SORT file.name ASC

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Query

TABLE definition AS Definition
FROM #medroot
WHERE length(filter(definition, (word) => econtains([[]].definition, word))) > 0 AND file.name != [[]].file.name

Med roots dictionary Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms