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单词 lentoid
释义

lentoidadj.

Brit. /ˈlɛntɔɪd/, U.S. /ˈlɛnˌtɔɪd/
Etymology: < Latin lent- lens n. + -oid suffix.
Having the form of a lens or lentil; lens-shaped.
ΘΚΠ
the world > space > shape > curvature > curved surface > [adjective] > convex > double convex
lenticular1658
lentiform1706
lentular1761
lentile1763
lentil-shaped1796
lenticular-shaped1835
lentoid1879
lensoid1930
1879 in Webster's Amer. Dict. Eng. Lang. Suppl.
1880 Athenæum 21 Aug. 245/2 The other lentoid gems take their places in series with those which have been collected from the Greek islands.
1884 A. H. Sayce Anc. Empires East 230 The lentoid gems..are all closely allied in artistic style to the Hittite carved stones.
1900 A. S. Murray in Brit. Mus. Return 64 Haematite lentoid seal, engraved with the figure of a man with horse's head.

Draft additions 1997

Embryology. A lens-shaped or spherical structure composed of retinal cells adhering together.
ΘΚΠ
the world > life > the body > sense organ > sight organ > parts of sight organ > [adjective] > retina > other parts of retina
Müllerian1860
cilio-retinal1877
myoid1907
macular1909
lentoid1940
1940 Jrnl. Exper. Zool. 83 115 Description of injuries to the optic cup and the relation of lenses and lentoids to the edges of the iris are given..to show the improbability of considering such cases as examples of lenses arising from the iris.
1956 Acta Morphol. Neerlando-Scand. 1 88 Next to the depressed ectoderm there is an extensive placode area. The lentoid is localized at the exact edge of the thickened ectoderm plate.
1979 Nature 6 Dec. 628/2 Lentoids (structures composed of lens fibre cells) have the highest proportions of σ-crystallins when derived from retinas of earlier embryonic stages.
This entry has not yet been fully updated (first published 1902; most recently modified version published online March 2022).
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adj.1879
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