adamantoblastn.
/ˌadəˈmantə(ʊ)blɑːst/, U.S. /ˌædəˈmæn(t)əˌblæst/ Biology. Now rare.
= ameloblast n.
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the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > cell which secretes enamel
ameloblast1878
adamantoblast1884
1884 Dental Cosmos 26 451 We see the formation of the odontoblast-cells and their conversion into dentine and the ends of the enamel-cells into enamel by the formation and calcification of the adamantoblasts.
1897 R. A. Young tr. A. Brass Atlas Human Histol. G.102 It is the inner layer of epithelial cells which forms the enamel; they are known as enamel cells or adamantoblasts.
1926 Brain 49 437 The term adamantoblast was originally applied to the enamel forming cell... [It] has been discarded, however, in favour of the word ameloblast.
1935 Proc. Royal Soc. B. 118 334 In fig. 21 just the connecting string of tooth pulp with odontoblasts and adamantoblasts is cut in the section.
This is a new entry (OED Third Edition, December 2011; most recently modified version published online December 2021).
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n.1884