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单词 odontoma
释义

odontoman.

Brit. /ˌɒdɒnˈtəʊmə/, /ˌəʊdɒnˈtəʊmə/, U.S. /ˌoʊdɑnˈtoʊmə/
Inflections: Plural odontomas, odontomata.
Origin: A variant or alteration of another lexical item. Etymon: odontome n.
Etymology: Alteration of odontome n. after -oma comb. form.
Pathology.
A tumour arising in connection with the teeth; (later) spec. a growth resulting from anomalous odontogenesis and consisting of dental tissues of epithelial and mesodermal origin (enamel, dentine, and cementum), sometimes organized into the form of a tooth or teeth.
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the world > health and disease > ill health > a disease > growth or excrescence > [noun] > tumour > other tumours
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1876 R. J. Dunglison Dunglison's Dict. Med. Sci. (rev. ed.) 713/2 Odontoma,..a term applied by Virchow to ivory exostoses of the teeth, the molars especially, composed of hypertrophied dentine.
1886 A. H. Buck Ref. Handbk. Med. Sci. II. 765/2 In rare instances such outgrowths [sc. exostoses] have observed upon the teeth. These have been called by Virchow ‘odontomata’.
1910 Practitioner Jan. 124 The curious odontomata known as cementomata.
1949 H. W. C. Vines Green's Man. Pathol. (ed. 17) xv. 385 An odontoma is not an osteoma but is a tumour composed of dentine, or of some other constituent of a tooth or tooth-sac: it may grow from the root, neck, or crown of a tooth.
1981 Oral Surg., Oral Med., & Oral Pathol. 51 266 The mixed odontogenic tumors–ameloblastic fibroma, ameloblastic fibro-odontoma, and the odontomas–represent a group of lesions of which some are neoplastic and some are hamartomatous.
1999 Radiographics 19 1107 Among odontogenic lesions with mineralization, complex odontomas contain multiple masses of dental tissue and compound odontomas contain multiple teeth or toothlike structures.
This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022).
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n.1876
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