- compound ocellus
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Any ocellate spot containing three or more circles of color.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
compound ocellus
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ocellus — [ō sel′əs] n. pl. ocelli [ō sel′ī΄] [L, dim. of oculus,EYE] 1. the simple eyespot of certain invertebrates, as distinguished from the compound eye of an insect or the camera type eye of vertebrates and cephalopods 2. an eyelike spot, as on a… … English World dictionary
Ocellus — An ocellus (plural: ocelli) is a type of photoreceptor organ in animals. Also called simple eyes , ocelli are miniature eyes capable of sensing light but not distinguishing its direction. See also stemmata, which are structurally similar. Ocelli… … Wikipedia
ocellus — 1. The simple eye found in many invertebrates. SYN: eyespot (2). 2. Facet of the compound eye of an insect. [L. dim. of oculus, eye] * * * ocel·lus ō sel əs n, pl ocel·li sel .ī, (.)ē a minute simple eye or eyespot of an invertebrate ocel·lar ō… … Medical dictionary
ocellus — /oʊˈsɛləs/ (say oh seluhs) noun (plural ocelli /oʊˈsɛlaɪ/ (say oh seluy)) 1. an unpaired compound eye present in some arthropods. 2. an eye like spot, as on a peacock feather. {Latin, diminutive of oculus eye} …
ocellus — n. (pl. ocelli) 1 each of the simple, as opposed to compound, eyes of insects etc. 2 a spot of colour surrounded by a ring of a different colour on the wing of a butterfly etc. Derivatives: ocellar adj. ocellate adj. ocellated adj. Etymology: L,… … Useful english dictionary
eyes — Compound structures borne on a small anteriorly directed lobes of the carapace [Holdich and Jones, 1983]. Visual organ, in Crustacean either compound or naupliar (simple) [Moore and McCormick, 1969]. (Order Cladocera): Compound eye, nauplius eye… … Crustacea glossary
Simple eye in invertebrates — For eye like markings, see eyespot (mimicry). Ocellus redirects here. For the Celtic god, see Ocelus. Head of Polistes A simple eye (sometimes called a pigment pit[1] … Wikipedia
Arthropod eye — Anatomy of the compound eye of an insect The arthropods ancestrally possessed compound eyes, but the type and origin of this eye varies between groups, and some taxa have secondarily developed simple eyes. The organ s development through the… … Wikipedia
Insect morphology — Legend of body parts Tagmata : A Head, B Thorax, C Abdomen. 1. antenna 2. ocelli (lower) 3. ocelli (upper) 4. compound eye 5. brain (cerebral ganglia) 6. prothorax … Wikipedia
Glossary of entomology terms — Parts of an adult butterfly This glossary describes the terms used in the formal descriptions of insect species, jargon used mostly by professionals or entomologist. Contents … Wikipedia
