Compound eye
Two opsins from the compound eye of the crab Hemigrapsus sanguineus
... The spectral sensitivity of the compound eye was determined by recording the ERG. Crabs were made to autotomize their legs and fixed on an experimental stage. The eye stalk was glued with dental ...
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Escaping compound eye ancestry: the evolution of single chamber eyes in holometabolous larvae
... the eye to capture more light by neurally pooling photoreceptor outputs of neighboring ommatidia (hence the term neural ...typical compound eye ommatidium, the two tiers function as one optical ...
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Electrical interactions between photoreceptors in the compound eye of Periplaneta americana
... The compound eye of Periplaneta americana contains two spectral classes of photoreceptors: narrow-band UV-sensitive and broad- band green-sensitive. In intracellular recordings, stimulation of green- ...
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Compound eye adaptations for diurnal and nocturnal lifestyle in the intertidal ant, Polyrhachis sokolova
... the compound eye structure of ants is also dependent on their style of locomotion (flying/ pedestrian), thus leading to striking differences of the visual system even within a single species ...
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Visual resolution of gratings by the compound eye of the bee Apis mellifera
... a compound eye depends on the interommatidial angle has two ...the compound eye divide the outside world into an array of little windows, and, when the rhabdomeres are fused, each detects the ...
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Sexual dimorphism in the compound eye of Heliconius erato: a nymphalid butterfly with at least five spectral classes of photoreceptor
... Fig. 1. Butterfly compound eye anatomy and Heliconius erato eye sections stained for opsins ( N =24). (A) Schematic diagram of a longitudinal section of ommatidia and optic lobe immediately proximal ...
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Optomotor steering and flight control requires a specific sub section of the compound eye in the hawkmoth, Manduca sexta
... We found that the limit of contrast sensitivity at a luminance of 1 cd m −2 is 2.5%. At a contrast below this (1%), there was no detectable response to wide-field visual motion. This is the lower limit in contrast ...
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Endoscopic Application of a Compact Compound-Eye Camera
... obtained compound-eye image is blurry due to ...deblurred compound-eye image, simple stereoscopic display is ...the compound-eye image to a single image with the PSFs that ...
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Circadian rhythms affect electroretinogram, compound eye color, striking behavior and locomotion of the praying mantis Hierodula patellifera
... assess compound eye sensitivity, colorimetric photographic analyses to assess compound eye color changes (screening pigment migration), behavioral assays of responsiveness to ...
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A Working Model for Demonstrating the Mosaic Theory of the Compound Eye
... The manner in which the model works would indicate that the image formed by the compound eye is a mosaic, or patchwork; and that lenses take no primary part in image formation by a compo[r] ...
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Endogenous Rhythms in the Amounts of 11 cis Retinal in the Compound Eye of Ligia Exotica (Crustacea, Isopoda)
... ENDOGENOUS RHYTHMS IN THE AMOUNTS OF U-cis RETINAL IN THE COMPOUND EYE OF LIGIA EXOTICA CRUSTACEA, ISOPODA BY TAKAHIKO HARIYAMA AND YASUO TSUKAHARA Research Center for Applied Informatio[r] ...
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Two Components from the Compound Eye of the Crayfish
... These results on the insect compound eye suggest that the polarity reversal of H-II at the basement membrane was also an active process and that the slow positive wave from the region pr[r] ...
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Diurnal Changes in Structure and Function of the Compound Eye of Ligia Exotica (Crustacea, Isopoda)
... Aware of these phenomena, Stowe 1980 studied spectral response curves from dark-adapted receptors of the eye of Leptograpsus during the day and during the night, but failed to find signi[r] ...
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Light induced and circadian changes in the compound eye of the haematophagous bug Triatoma infestans (Hemiptera: Reduviidae)
... We analysed dynamic changes in the ommatidial structure of the compound eyes of Triatoma infestans. This nocturnal insect possesses open-rhabdom eyes, in which a ring of six rhabdomeres from retinula cells 1–6 ...
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Adaptation in the Compound Eye and Interaction with Screening Pigment
... Light-adaptation and dark-adaptation processes: changes in the amplitude of the negative potential intensities given are of the adapting light stimulus... Amplitude changes during adapta[r] ...
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Physiological optics in the hummingbird hawkmoth: a compound eye without ommatidia
... the compound eyes of arthropods (for reviews, see Wehner, 1987; Land, ...the eye, a result that fits very well with the presence of an equatorial visual ...
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Retinal Damage and Sensitivity Loss of a Light Sensitive Crustacean Compound Eye (Cirolana Borealis): Electron Microscopy and Electrophysiology
... The retinula cell cytoplasm of the Cirolana borealis eye after 4h of daylight exposure followed by 5 dayB of dark adaptation prior to fixation.. Note disrupted mitochondria asterisks and[r] ...
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The Om(1E) Mutation in Drosophila ananassae Causes Compound Eye Overgrowth due to tom Retrotransposon-Driven Overexpression of a Novel Gene
... In situ hybridization analyses demonstrated that the Om(1E) gene is expressed ubiquitously in embryonic cells, imaginal discs, and the cortex of the central nervous system [r] ...
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Three opsin encoding cDNAS from the compound eye of Manduca sexta
... Several of the opsins in branch B have been be identified with rhodopsins absorbing from approximately 480 nm (Rh1 and Rh2 fly opsins: O’Tousa et al. 1985; Cowman et al. 1986; Huber et al. 1990) to 520 nm (Limulus ...
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Mechanisms for Neural Signal Enhancement in the Blowfly Compound Eye
... The actions of these two classes of mechanism, transient chloride conductance activation and the activation of a depolarizing conductance, may be distinguished by examining the waveforms[r] ...
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