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单词 schizochroal
释义

> as lemmas

schizochroal
schizochroal adj.
Brit. /ˌskɪtsə(ʊ)ˈkrəʊəl/
,
/ˌskɪdzə(ʊ)ˈkrəʊəl/
,
U.S. /ˌskɪtsəˈkroʊəl/
,
/skɪtˈsɑkrəwəl/
,
/skəˈzɑkrəwəl/
[Greek χρώς skin] Palaeontology applied to certain trilobite eyes in which the cornea is divided to form several discrete lenses.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > trilobites > [adjective] > of eyes of
schizochroal1888
1888 J. M. Clarke in Jrnl. Morphol. 2 254 The character of the visual area in the trilobites is twofold; (a) it may be covered by a smooth, continuous epithelial film or cornea, through which the lenses of the ommatidia are visible by translucence, and (b) the cornea may be transected by the protrusion of the sclera and limited to the surfaces of the ommatidia... The first group may be designated by the term Holochroal; the second group by the term Schizochroal.
1888 J. M. Clarke in Jrnl. Morphol. 2 266 The schizochroal eyes of the Trilobites are aggregated and not properly compound eyes.
1976 Nature 13 May 130/1 Trilobites of the suborder Phacopina had schizochroal eyes, in which comparatively few large separate lenses are distributed over the eye surface.
extracted from schizo-comb. form
<
as lemmas
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