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.
Rhodopsins, retinula cell ultrastructure, and receptor potentials in the developing pupal eye of the moth Manduca sexta.
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.
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.
Diurnal changes in retinula cell sensitivities and receptive fields (two-dimensional angular sensitivity functions) in the apposition eyes of Ligia exotica (Crustacea, Isopoda).