| 单词 | crystalline cone |
| 释义 | > as lemmascrystalline cone crystalline cone n. Zoology (in the compound eyes of many insects, crustacea, and other arthropods) a hard, refractive, conical body below the cornea of each ommatidium. ΚΠ 1830 Jrnl. Royal Inst. Great Brit. 1 153 In many Crustacea, the existence of crystalline cones or prisms between the facets of the cornea and the fibrils of the optic nerve has long been known. 1885 Q. Jrnl. Microsc. Sci. 25 229 The term ‘pseudocone’ was given by Grenacher to the structure corresponding to the crystalline cones of the majority of insects. 1947 A. D. Imms Outl. Entomol. (ed. 3) ii. 38 Four transparent cone cells..either contain fluid or secrete a body known as the crystalline cone. 2006 Science 28 Apr. 557/1 Each ommatidium consists of a light-diffracting facet lens, a crystalline cone, and photoreceptor cells with a wave-guiding rhabdom. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。