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retinula

 - 2 dictionary results

re⋅tin⋅u⋅la

  [ri-tin-yuh-luh] noun, plural -lae  [-lee] .
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–noun Anatomy.
a group of elongate neural receptor cells forming part of an arthropod compound eye: each retinula cell leads to a nerve fiber passing to the optic ganglion.
Origin:
1875–80; < NL; see retina, -ule

Related forms:
re⋅tin⋅u⋅lar, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To retinula
re·tin·u·la   (rĭ-tĭn'yə-lə)   
n.   pl. re·tin·u·lae (-lē)
A cluster of pigmented sensory cells in the compound eye of an arthropod.

[New Latin rētinula, diminutive of Medieval Latin rētina, retina; see retina.]
re·tin'u·lar adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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