eyes/ocelli
A motion sensitive neurone responds to signals from the two visual systems of the blowfly, the compound eyes and ocelli
... the ocelli to V1, because the short response delays (10–20·ms) seen in our experiments exclude neuromodulatory ...compound eyes (Krapp, 1995), whereas V1 integrates the outputs of another set of LPTCs, the ...
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Contribution of Compound Eyes and Ocelli to Steering Of Locusts in Flight: I Behavioural Analysis
... The latency of the head motion elicited by the compound eyes alone measured as the temporal delay D of peak head displacement after peak of sinusoidal horizon displacement is greater tha[r] ...
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New species of bristletails of the genus Lepismachilis (Archaeognatha: Machilidae) from Serbia and Montenegro
... Male genitalia with parameres on urites VIII and IX. Parameres VIII with 1 + 6, IX with 1 + 7 divisions (Figs 5G, H). Ratio lengths of parameres IX and VIII 1.5. Parameres IX slightly not reaching apex of penis. Genital ...
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Contribution of Compound Eyes and Ocelli to Steering of Locusts in Flight: II Timing Changes in Flight Motor Units
... Changes in relative latency of forewing first basalafs • in response to horiron rotation, compound eyes disconnected, a Neck proprioceptive hairs of the cervical sclerites and nearby p[r] ...
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Opsins in Limulus eyes: characterization of three visible light sensitive opsins unique to and co expressed in median eye photoreceptors and a peropsin/RGR that is expressed in all eyes
... The eyes of the horseshoe crab Limulus polyphemus have long been used for studies of basic mechanisms of vision, and the structure and physiology of Limulus photoreceptors have been examined in ...Limulus ...
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Ocelli contribute to the encoding of celestial compass information in the Australian desert ant Melophorus bagoti
... the ocelli-based ...compound eyes, a finding that matches our quantitative ...that ocelli may be less accurate than compound eyes for estimating the direction from the celestial compass, thus ...
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Pavlostysia wunderlichi gen. nov. and sp. nov., the first fossil spider-web bug (Hemiptera: Heteroptera: Cimicomorpha: Plokiophilidae) from the Baltic Eocene amber
... attened eyes and weakly visible ocelli, shorter antennae, which are half as long as body length (species of Plokiophiloides and Heissophila macrotheleae have the same proportions), longer rostrum surpassing ...
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Oxidative stress, photodamage and the role of screening pigments in insect eyes
... the eyes of ...mutant eyes was caused by a smaller amount of xanthommatin compared with wild- type ...the eyes of ...the ocelli of mutant insects lack screening pigments inside both retinal ...
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The role of ocelli in cockroach optomotor performance
... the ocelli diffusely through the head capsule, as also suggested by Roberts (1965), Eaton (1971), and Okada and Toh ...“compound eyes covered” and “all eyes covered” groups at 500 lx in comparison to ...
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The ocelli of Archaeognatha (Hexapoda): functional morphology, pigment migration and chemical nature of the reflective tapetum
... compound eyes in crustaceans and insects has been the subject of intense study over the last 120 years ...the ocelli (for reviews, see Goodman, 1981; Mizunami, 1995; Krapp, ...three ocelli on the ...
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The Eyes and the Photonegative Behaviour of Nephtys (Annelida, Polychaeta)
... They are: a single-celled receptors lying in pigment cups and embedded in the supra-oesophageal ganglion, a pair of unit receptors on either side these are the ocelli to which Hanstrom m[r] ...
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The role of vision in odor plume tracking by walking and flying insects
... The walking paths of male cockroaches, Periplaneta americana, tracking point-source plumes of female pheromone often appear similar in structure to those observed from flying male moths. Flying moths use ...
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A Hh driven gene network controls specification, pattern and size of the Drosophila simple eyes
... In principle, the input of Dl/Notch in the network could be upstream of hh (maintaining its expression or signaling) or parallel to hh. However, the incomplete activation of en should persist in the former scenario. When ...
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Evidence That Histamine is a Neurotransmitter of Photoreceptors in the Locust Ocellus
... The effect of histamine on L-neurones: comparison with the compound eye In both ocelli and compound eyes, light depolarizes the photoreceptors, resulting in the release of a neurotransmi[r] ...
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Download Download PDF
... 1A); eyes bare, contiguous in male, upper facets large; vertical triangle black, ocelli brownish, frontal triangle and face orange, face with distinct bare tubercle, face below with greyish hairs; proboscis ...
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A GENETICALLY CONTROLLED HEAD ABNORMALITY IN DROSOPHILA MELANOGASTER. I. ORIGIN, DESCRIPTION, AND GENETIC ANALYSIS
... Either ( 1 ) the head abnormality is the result of two separate develop- mental anomalies, one affecting the ocelli, the other affecting the eye, and the action of t[r] ...
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Outcomes and costs of Ranibizumab and Aflibercept treatment in a health-service research context
... Statistical modelling was made on the level of eyes ra- ther than patients. Normality of the error distribution was confirmed visually and statistically using the Anderson-Darling test. In separate multivariate ...
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Revision of Chitona species (Coleoptera: Oedemeridae) from the eastern Mediterranean
... Antenna reaching elytral midlength, last antennomere slightly constricted on one side at midlength. Frons very sparsely, vertex and head before eyes more densely punctate, covered by long recumbent white ...
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Development of a novel disposable lid speculum with a drape
... (75 eyes of 70 patients; 28 men and 42 women; mean age: 70 years; range: 15 to 92 years), glaucoma surgery (eleven eyes of eleven patients; seven men and four women; mean age: 64 years; range: 35 to 85 ...
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EVALUATION AND COMPARISON BETWEEN TRIPHALA GUTICA ANJANA AND PIPPALYADYA ANJANA IN THE MANAGEMENT OF ARMA
... Purpose: To evaluate and compare between Triphala gutica Anjana and Pippalyadya anjana in the management of Arma. Design: Prospective, randomized, interventional, hospital based comparative study Material & Methods: ...
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