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单词 pseudocone
释义

> as lemmas

pseudocone
pseudocone n. and adj.
Brit. /ˈs(j)uːdə(ʊ)kəʊn/
,
U.S. /ˈsudoʊˌkoʊn/
[after German pseudocon, adjective (H. Grenacher 1877, in Klin. Monatsblätter f. Augenheilkunde 15 Suppl. May 18)] Entomology (a) n. a soft gelatinous or fluid-filled ommatidium in the eyes of certain insects, esp. dipteran flies, as contrasted with the crystalline ommatidium in the eyes of other insects; (b) adj. designating or relating to such an eye.
ΚΠ
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.
1944 R. Matheson Entomol. for Introd. Courses iii. 48 These are the acone eye, in which the cone is absent, and the pseudocone eye, in which the cone is filled with a transparent fluid.
1975 Cell & Tissue Res. 159 379 Two corneal pigment cells laterally encircle the pseudocone.
2002 C. U. M. Smith in G. A. Cory & R. Gardner Evolutionary Neuroethol. Paul Maclean iii. 42 These eyes..are no mere approximations to the real thing. They consist of a full complement of different cells and structures:..pigment cells, cornea, cone and pseudocone cells, retinula cells.., and so on.
extracted from pseudo-comb. form
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as lemmas
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