ameloblastn.

Brit.

/əˈmɛlə(ʊ)blɑːst/,

/əˈmɛlə(ʊ)blast/,

/ˈamələ(ʊ)blɑːst/,

/ˈamələ(ʊ)blast/, U.S.

/əˈmɛləˌblæst/,

/ˈæmələˌblæst/

Origin: Formed within English, by compounding. Etymons: amel n., -o- connective, -blast comb. form.

Etymology: < amel n. + -o- connective + -blast comb. form, after odontoblast n.On the coinage compare:1879 Trans. Amer. Dental Assoc. 1878 69 (note) Ameloblast, from Amel, the old Saxon word for Enamel, and Blast, from the Greek Blastos, a germ, is here used to denote the formative cells of the enamel corresponding with Osteoblast, Odontoblast, etc.

A type of epithelial cell responsible for the formation of tooth enamel.Formerly also called adamantoblast.

ΘΚΠ

the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > cell which secretes enamel

ameloblast1878

adamantoblast1884

1878 Missouri Dental Jrnl. 10 266 Outside of, and covering the dentine,..will be found the ameloblasts or formative cells of the enamel.

1942 E. S. Horning in G. H. Bourne Cytol. & Cell Physiol. vi. 178 The cells destined to become ameloblasts in the developing enamel organ were found to contain relatively large amounts of calcium and magnesium.

2006 K. D. Rose Beginning Age Mammals xv. 319/1 The prisms are deposited (by specialized cells called ameloblasts) in various arrangements that are characteristic of particular taxa.

Derivatives

ameloˈblastic n. of or relating to ameloblasts.

ΚΠ

1880 M. S. Dean tr. C. Legros & E. Magitot Origin & Formation Dental Follicle iii. 106 (in figure) F, ameloblastic layer.

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.

2010 Ann. Brit. School Athens 105 173 Diet, disease, and other forms of stress may temporarily disturb ameloblastic activity during amelogenesis.

This entry has been updated (OED Third Edition, March 2020; most recently modified version published online December 2021).

单词	ameloblast
释义	ameloblastn. Brit. /əˈmɛlə(ʊ)blɑːst/, /əˈmɛlə(ʊ)blast/, /ˈamələ(ʊ)blɑːst/, /ˈamələ(ʊ)blast/, U.S. /əˈmɛləˌblæst/, /ˈæmələˌblæst/ Origin: Formed within English, by compounding. Etymons: amel n., -o- connective, -blast comb. form. Etymology: < amel n. + -o- connective + -blast comb. form, after odontoblast n.On the coinage compare:1879 Trans. Amer. Dental Assoc. 1878 69 (note) Ameloblast, from Amel, the old Saxon word for Enamel, and Blast, from the Greek Blastos, a germ, is here used to denote the formative cells of the enamel corresponding with Osteoblast, Odontoblast, etc. A type of epithelial cell responsible for the formation of tooth enamel.Formerly also called adamantoblast. ΘΚΠ the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > cell which secretes enamel ameloblast1878 adamantoblast1884 1878 Missouri Dental Jrnl. 10 266 Outside of, and covering the dentine,..will be found the ameloblasts or formative cells of the enamel. 1942 E. S. Horning in G. H. Bourne Cytol. & Cell Physiol. vi. 178 The cells destined to become ameloblasts in the developing enamel organ were found to contain relatively large amounts of calcium and magnesium. 2006 K. D. Rose Beginning Age Mammals xv. 319/1 The prisms are deposited (by specialized cells called ameloblasts) in various arrangements that are characteristic of particular taxa. Derivatives ameloˈblastic n. of or relating to ameloblasts. ΚΠ 1880 M. S. Dean tr. C. Legros & E. Magitot Origin & Formation Dental Follicle iii. 106 (in figure) F, ameloblastic layer. 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. 2010 Ann. Brit. School Athens 105 173 Diet, disease, and other forms of stress may temporarily disturb ameloblastic activity during amelogenesis. This entry has been updated (OED Third Edition, March 2020; most recently modified version published online December 2021). < n.1878
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