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Extraocular photoreceptors in the last abdominal ganglion of a swallowtail butterfly,Papilio xuthus

โœ Scribed by K. Arikawa; K. Uchiumi; E. Eguchi

Publisher
Springer
Year
1991
Tongue
English
Weight
320 KB
Volume
78
Category
Article
ISSN
0028-1042

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๐Ÿ“œ SIMILAR VOLUMES

Photoreceptor projection reveals heterog
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## Abstract The compound eye of the butterfly __Papilio xuthus__ is composed of three types of spectrally heterogeneous ommatidia. The ommatidia, which contain nine photoreceptor cells, R1โ€“9, bear four (type I), three (type II), or two (type III) classes of spectral receptors in fixed combinations.

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1. After the intact compound eyes of the butterfly Papilio xuthus were adapted to darkness, white, blue (2 max 460 nm) or orange light (2 max 580 nm), the eyes were separated into the distal (primary pigment cells, the dioptric apparatus and ca. 30% of retinal tissue) and the proximal layers (the re