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Definition of Retinula
1. n. One of the group of pigmented cells which surround the retinophoræ of invertebrates. See Illust. under Ommatidium.
Definition of Retinula
1. Noun. (biology) One of the group of pigmented cells that surround the retinophorae of invertebrates. ¹
¹ Source: wiktionary.com
Definition of Retinula
1. a neural receptor of an arthropod's eye [n -LAE or -LAS]
Medical Definition of Retinula
1.
Origin: NL, dim. Of NL. & E. Retina.
Lexicographical Neighbors of Retinula
Literary usage of Retinula
Below you will find example usage of this term as found in modern and/or classical literature:
1. Bulletin of the Museum of Comparative Zoology by Museum of Comparative Zoology, John E. Cadle, Harvard University (1891)
"The retinula is thickest at the lower left-hand angle of the cone, ... At the
more distant edges of these two faces the retinula terminates. ..."
2. Studies from the Biological Laboratory by Johns Hopkins University Biological Laboratory (1890)
"When the chitin-secreting edges of a number of these retinula cells meet they form
... The lower extremities of the retinula cells send out nerve processes, ..."
3. A Text-book of the Principles of Animal Histology by Ulric Dahlgren, William Allison Kepner (1908)
"They rest proximally upon the retinula cells according to Grenacher; while
according to Patten they pass down to the basement mem- »„./. FIG. 209. ..."
4. Forms of Animal Life: A Manual of Comparative Anatomy : with Descriptions of by George Rolleston, William Hatchett Jackson (1888)
"The retinula is composed, as in Palaemon, of retinal cells grouped round a ...
A basement membrane pierced by the nerve fibres, one to each retinula, ..."
5. Zoology: An Elementary Text-book by Arthur Everett Shipley, Ernest William MacBride (1904)
"B. Diagram of retinula of a Scorpion's central eye. CDE Trans- Terse section of
B taken at different levels. From Lankester and Bourne. i. ..."
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