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Spectral Systems in the Rabbit's Retina

Spectral Systems in the Rabbit's Retina SPECTRAL SYSTEMS IN THE RABBIT'S RETINA by J. F. W. NUBOER and R. H. A. WESSELS (Laboratory of Comparative Physiology, University of Utrecht, The Netherlands) SUMMARY 1. The photopic spectral sensitivity of wild rabbits (Oryctolagus cuniculus) was measured by means of threshold determinations in an automatic two-choice apparatus. 2. Both the retinal spectral sensitivity curve and the spectral sensitivity of photo- receptor systems that are contributing to this curve were estimated by means of a computerprogram. 3. The estimated spectral sensitivity curve clearly shows two maxima. It is based on the contribution of three receptorsystems, with maxima at wavelengths of 405 nm, 470 nm and 523 nm. 4. The "blue sensitive" system ( λ max = 470 nm) and "green sensitive" system ( λ max = 523 nm) have earlier been reported to exist in groundsquirrels. The "violet sensitive" system ( λ max = 405 nm), however, is typical for the rabbit. Contrary to the groundsquirrel's, the rabbit's dioptrics transmit violet light. From this point of view a "violet sensitive" receptor system in the rabbit's retina is functional. 5. On the basis of the three receptor systems trichromatic vision is possible. 6. Emphasis is laid on the relation http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Netherlands Journal of Zoology (in 2003 continued as Animal Biology) Brill

Spectral Systems in the Rabbit's Retina

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Publisher
Brill
Copyright
© 1974 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2960
eISSN
1568-542X
DOI
10.1163/002829675X00038
Publisher site
See Article on Publisher Site

Abstract

SPECTRAL SYSTEMS IN THE RABBIT'S RETINA by J. F. W. NUBOER and R. H. A. WESSELS (Laboratory of Comparative Physiology, University of Utrecht, The Netherlands) SUMMARY 1. The photopic spectral sensitivity of wild rabbits (Oryctolagus cuniculus) was measured by means of threshold determinations in an automatic two-choice apparatus. 2. Both the retinal spectral sensitivity curve and the spectral sensitivity of photo- receptor systems that are contributing to this curve were estimated by means of a computerprogram. 3. The estimated spectral sensitivity curve clearly shows two maxima. It is based on the contribution of three receptorsystems, with maxima at wavelengths of 405 nm, 470 nm and 523 nm. 4. The "blue sensitive" system ( λ max = 470 nm) and "green sensitive" system ( λ max = 523 nm) have earlier been reported to exist in groundsquirrels. The "violet sensitive" system ( λ max = 405 nm), however, is typical for the rabbit. Contrary to the groundsquirrel's, the rabbit's dioptrics transmit violet light. From this point of view a "violet sensitive" receptor system in the rabbit's retina is functional. 5. On the basis of the three receptor systems trichromatic vision is possible. 6. Emphasis is laid on the relation

Journal

Netherlands Journal of Zoology (in 2003 continued as Animal Biology) – Brill

Published: Jan 1, 1974

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