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-oma (singular), -omata (plural) tumor, mass, fluid collection Greek -μα (-ma), suffix added to verbs to form nouns indicating the result of a process or action; cf. English -tion: sarcoma, teratoma, mesothelioma: omphal(o)-of or pertaining to the navel, the umbilicus: Greek ὀμφαλός (omphalós), navel, belly-button omphalotomy: onco-
The suffix "-oma" (but not -carcinoma, -sarcoma, or -blastoma, which are generally cancers) is applied to indicate a benign tumor. For example, a lipoma is a common benign tumor of fat cells ( lipocytes ), and a chondroma is a benign tumor of cartilage-forming cells ( chondrocytes ).
The term comes from the Greek word for "monster" [15] plus the "-oma" suffix used for tumors. Teratomas can cause an autoimmune illness called Anti-NMDA receptor encephalitis. In this condition, the teratomas may contain B cells with NMDA-receptor specificities. [16]
The stem neuro-originates from the Greek word for nerve (νεῦρον), while the suffix -oma (-ωμα) denotes swelling. [7] The stem does not imply that neuromas necessarily arise from neurons; neuromas generally arise from non-neuronal nerve tissues. The word was originally used to refer to any nerve tumor, but its meaning has evolved. [7]
It is directly derived from Latin: serosus, meaning "watery fluid, whey". [citation needed] It was joined with a word-forming element from Greek: oma, with -o-, lengthened stem vowel + -ma suffix, especially taken in medical use as "tumor" or "morbid growth". [citation needed]
Medical use of ionizing radiation is a small but growing source of radiation-induced cancers. ... are named using -oma as a suffix with the organ name as the root.
Medical terminology often uses words created using prefixes and suffixes in Latin and Ancient Greek. In medicine, their meanings, and their etymology, are informed by the language of origin. Prefixes and suffixes, primarily in Greek—but also in Latin, have a droppable -o-. Medical roots generally go together according to language: Greek ...
Leiomyoma enucleated from a uterus. External surface on left; cut surface on right. Micrograph of a small, well-circumscribed colonic leiomyoma arising from the muscularis mucosae and showing fascicles of spindle cells with eosinophilic cytoplasm and elongated, cigar-shaped nuclei Immunohistochemistry for β-catenin in uterine leiomyoma, which is negative as there is only staining of cytoplasm ...