The Collaborative International Dictionary of English. 2000.
ommatidia — (Order Isopoda): Individual visual components of the compound eye [Kensley and Schotte, 1989] … Crustacea glossary
ommatidia — É‘mÉ™ tɪdɪəm / É’m n. single part of a compound eye in arthropods (Zoology) … English contemporary dictionary
ommatidium — (= ommatidia (plural) ) Single facet of an insect compound eye. Composed of a set of photoreceptor cells, overlain by a crystalline lens … Dictionary of molecular biology
Ommatidium — Ommatidium: A – cornea, B – crystalline cone, C D – pigment cells, E – rhabdom, F – photoreceptor cells, G – membrana fenestrata, H – optic nerve The compound eyes of insects, mantis shrimp and millipedes[1] are composed of units called ommatidia … Wikipedia
Eye — For other uses, see Eye (disambiguation), Ocular (disambiguation), Ocular, and Oculus. For taxon specific articles, see human eye, simple eye in invertebrates, mollusc eye, and arthropod eye. Eye … Wikipedia
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
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
Arthropod — Temporal range: 540–0 Ma … Wikipedia
Mantis shrimp — Scientific classification Kingdom: Animalia Phylum … Wikipedia
