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Retinal Structures and Photoreception

Retinal Structures and Photoreception By PHILIP RUCK Department of Zoology, University of Wisconsin, Madison, Wisconsin The structure and optical properties of photoreceptor cells in insects have been studied with the conventional light microscope for over a hundred years. Studies with polarizing and electron microscopes have been reported for about ten years. Meanwhile, electrophysiological studies have yielded a sub­ stantial body of information, much of which is ready for interpretation at the level of cell function. Adequate physiological interpretations depend, need­ less to say, upon knowledge of the relevant morphology and, in the case of in­ sects, much of this knowledge is not readily available. There is a need in this connection to correlate some of the more recent morphological findings with the older morphological literature. Much of this review was planned to satisfy a part of this need. Considerable emphasis will be devoted to those insect eyes concerning which there is information from light and electron micros­ copy as well as from electrophysiology.. TERMINOLOGY In compound eyes, the photoreceptor cells of an ommatidium form a cylindrical group called a "retinula." A constituent photoreceptor cell is called a "retinula cell," or "retinular cell." Part of the limiting membrane of a retinula cell is http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Entomology Annual Reviews

Retinal Structures and Photoreception

Ruck, P
Annual Review of Entomology , Volume 9 (1) – Jan 1, 1964
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Publisher
Annual Reviews
Copyright
Copyright 1964 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
0066-4170
eISSN
1545-4487
DOI
10.1146/annurev.en.09.010164.000503
Publisher site
See Article on Publisher Site

Abstract

By PHILIP RUCK Department of Zoology, University of Wisconsin, Madison, Wisconsin The structure and optical properties of photoreceptor cells in insects have been studied with the conventional light microscope for over a hundred years. Studies with polarizing and electron microscopes have been reported for about ten years. Meanwhile, electrophysiological studies have yielded a sub­ stantial body of information, much of which is ready for interpretation at the level of cell function. Adequate physiological interpretations depend, need­ less to say, upon knowledge of the relevant morphology and, in the case of in­ sects, much of this knowledge is not readily available. There is a need in this connection to correlate some of the more recent morphological findings with the older morphological literature. Much of this review was planned to satisfy a part of this need. Considerable emphasis will be devoted to those insect eyes concerning which there is information from light and electron micros­ copy as well as from electrophysiology.. TERMINOLOGY In compound eyes, the photoreceptor cells of an ommatidium form a cylindrical group called a "retinula." A constituent photoreceptor cell is called a "retinula cell," or "retinular cell." Part of the limiting membrane of a retinula cell is

Journal

Annual Review of Entomology – Annual Reviews

Published: Jan 1, 1964

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