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2026-01-19

“eucone”的英文意思

单词 eucone
释义 eucone, a. Ent.|ˈjuːkəʊn|
[a. G. eucone (H. Grenacker 1877, in Klin. Monatsblätter f. Augenheilkunde Suppl. XV. 18), f. eu- + cone n.1]
Of the eyes of certain insects: having a well-developed or true cone (see quots.).
1885S. J. Hickson in Q. Jrnl. Microsc. Sci. XXV. 230 The crystalline cone of the ‘eucone eyes’.1888Rolleston & Jackson Forms Anim. Life 502 The vitreous cells..are reduced to feeble remnants inclosing a solid crystalline cone composed of 2–5 parts, the eucone eyes of other Insecta... In pseudocone and eucone eyes the seven cells are grouped round a central axis.1957A. D. Imms Gen. Textbk. Ent. (ed. 9) 104 Eucone eyes. In eyes of this type each ommatidium contains a true crystalline cone, which is a hard refractive body formed as an intracellular product of the cone cells.
“eucone”的英文意思

 

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