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Journal of Cell Science, Vol 2, 349-358, Copyright © 1967 by Company of Biologists
Submitted on January 13, 1967
1 Department of Zoology, University of California, Berkeley, California, U.S.A.
2 Department of Zoology, University of California, Berkeley, California, U.S.A.; Department of Anatomy, Kansas State University, Manhattan, Kansas, U.S.A.
3 Department of Zoology, University of California, Berkeley, California, U.S.A.; Department of Biological Sciences, Stanford University, Stanford, California, U.S.A
The eye of a nudibranch, Hermissenda crassicornis, was studied by light and electron microscopy. Three kinds of cells were observed: large sensory cells, each bearing at one end an array of microvilli (rhabdomere) and at the other end an axon which leaves the eye by the optic nerve; large pigmented supporting cells; and small epithelial cells, mostly corneal. There are five sensory cells, and the same number of nerve fibres in the optic nerve. The receptor cells contain an abundance of small vesicles, 600-800 Å in diameter. The lens is a spheroidal mass of osmiophilic, finely granular material. A basal lamina and a capsule of connective tissue enclose the eye. In some animals the eye is ‘infected’ with very small bodies, 4-5 µ in diameter, thought to be symbionts.
Submitted on January 13, 1967
This article has been cited by other articles:
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  J. L. Mo and K. T. Blackwell Comparison of Hermissenda Type A and Type B Photoreceptors: Response to Light as a Function of Intensity and Duration J. Neurosci., September 3, 2003; 23(22): 8020 - 8028. [Abstract] [Full Text] [PDF]
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 K. T. Blackwell Calcium Waves and Closure of Potassium Channels in Response to GABA Stimulation in Hermissenda Type B Photoreceptors J Neurophysiol, February 1, 2002; 87(2): 776 - 792. [Abstract] [Full Text] [PDF]
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H. Huang and J. Farley PP1 Inhibitors Depolarize Hermissenda Photoreceptors and Reduce K+ Currents J Neurophysiol, September 1, 2001; 86(3): 1297 - 1311. [Abstract] [Full Text] [PDF]
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 T. J. CROW and D. L. ALKON Associative Behavioral Modification in Hermissenda: Cellular Correlates Science, July 18, 1980; 209(4454): 412 - 414. [Abstract] [PDF]
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T. Crow and D. Alkon Retention of an associative behavioral change in Hermissenda Science, September 29, 1978; 201(4362): 1239 - 1241. [Abstract] [PDF]
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