ocellus
/oh-sel-uhs/US // oʊˈsɛl əs //UK // (ɒˈsɛləs) //
细胞,卵石,蜂窝,卵巢
Definitions
n.名词 noun
- 1
plural o·cel·li [oh-sel-ahy]. /oʊˈsɛl aɪ/.
- : a type of simple eye common to invertebrates, consisting of retinal cells, pigments, and nerve fibers.
- : an eyelike spot, as on a peacock feather.
Examples
Stem′let, a little or young stem; Stem′ma, a pedigree or family tree: an ocellus.
Diameter of ocellus: Maximal outside diameter of largest (not conspicuously ovoid or oblong) ocellus on carapace.
So that the ancestry of the name runs thus:—Ocellus—œillet—Willy—William.
The usual markings occur, but there is no eye-spot, or ocellus, on the primaries.
An ocellus with a smaller near it, called also Sesquiocellus.
Level 4Browse all words →