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2017 Word of the Year

retinula

[ri-tin-yuh-luh] /rɪˈtɪn yə lə/
noun, plural retinulae
[ri-tin-yuh-lee] /rɪˈtɪn yəˌli/ (Show IPA).
Anatomy.
1.
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 of retinula
1875-1880
From New Latin, dating back to 1875-80; See origin at retina, -ule
Related forms
retinular, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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