retinula


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re·tin·u·la

 (rĭ-tĭn′yə-lə)
n. pl. re·tin·u·lae (-lē)
A cluster of pigment-containing photosensitive cells in each ommatidium of the compound eye of an arthropod.
[New Latin rētinula, diminutive of Medieval Latin rētina, retina; see retina.]
re·tin′u·lar adj.

retinula

(rəˈtɪnjʊlə)
n
a cell cluster found in the compound eye (an eye made up of many elements) of certain insects or other invertebrates with segmented limbs and bodies

re•tin•u•la

(rɪˈtɪn yə lə)

n., pl. -lae (-ˌli)
a group of elongate neural receptor cells forming part of an arthropod compound eye.
[1875–80; < New Latin; see retina, -ule]
re•tin′u•lar, adj.
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References in periodicals archive ?
Movement of retinula cells in insect eyes on light adaptation.
Brown marmorated stink bug (Hemiptera: Pentatomidae) attraction to various light stimuli
Rhodopsins, retinula cell ultrastructure, and receptor potentials in the developing pupal eye of the moth Manduca sexta.
Opsin Expression in the Central Nervous System of the Mantis Shrimp Neogonodactylus oerstedii
CHAPMAN (1998) reports that various orders of insects (Odonata, Blattodea, Orthoptera, Hemiptera, Thysanoptera, Neuroptera, Hymenoptera, Diptera, Coleoptera and Lepidoptera) can discriminate light of different wavelengths due to the presence of specific cells (retinula cells) and photopigments with the maximum sensitivity to light.
Oviposition preference of the neotropical brown stink bug Euschistus heros on artificial substrates of different colors/Preferencia de oviposicao do percevejo marrom Euschistus heros em substratos artificiais de diferentes cores
Wolken (1958) first described the rhabdome of the eyes of Octopus and Sepia as being formed from the radial arrangement of 4 retinula cells, which are separated from each other by pigment cells.
Development of the retina in the cuttlefish Sepia esculenta
Spectral sensitivity of single retinula cells of the locust.
The elaborate courtship behavior of Stenobothrus clavatus Willemse, 1979 (Acrididae: gomphocerinae)
The crystalline cone, which is the product of two cells, lies directly below the cornea and is attached to the tip of the rhabdom of the retinula cells.
Photoresponses of the compound eye of the sandhopper Talitrus saltator (Crustacea, Amphipoda) in the ultraviolet-blue range

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