WorldCat Identities

Järvilehto, M.

Overview
Works: 4 works in 4 publications in 1 language and 45 library holdings
Publication Timeline
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Most widely held works by M Järvilehto
A digital feedback controller application : a light response control system to reveal photoreceptor adaptation by K Djupsund( Book )

1 edition published in 1993 in English and held by 1 WorldCat member library worldwide

The dynamic nonlinear behavior of fly photoreceptors evoked by a wide range of light intensities by A. S French( Book )

1 edition published in 1993 in English and held by 1 WorldCat member library worldwide

Spike-like potentials in the axons of nonspiking photoreceptors by K Heimonen( Book )

1 edition published in 1993 in English and held by 1 WorldCat member library worldwide

Comparative physiology and evolution of vision in invertebrates by Hansjochem Autrum( )

1 edition published in 1979 in English and held by 0 WorldCat member libraries worldwide

In the comparative physiology of photoreception by the Protista and the invertebrates two aspects are emphasized: (1) the diversity of visual processes in these groups and (2) their bearing upon general mechanisms of photoreception. Invertebrates have evolved a far greater variety of adaptations than vertebrates modifications aiding survival in the remarkably different biotopes they occupy. The number of species in itself suggests this multiformity; each of them has peculiarities of its own, in morphology as well as in physiology and behavior. But these special adaptations are variations on a few great themes. Although the catalogue of invertebrate species is immense, the literature concerning them nearly rivals it in extent-even if one considers only that fraction dealing with visual physiology. Taxonomy proceeds by grouping the species, categorizing them in genera, families, orders, and progressively larger units. Similarly, comparative physiology aims at an analogous, more or less compre hensive, classification. This Part A of Volume VII/6, like Part B that follows it, emphasizes the broad questions that concern groups larger than the individual species; in some cases these questions have general applicability. The middle course between approaches that are too specialized and those that are too general is often elusive, but here we attempt to follow it. The vast number of special adaptations-probably, as we have said, as large as the number of species-is beyond the range even of a handbook
 
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Audience level: 0.99 (from 0.68 for Comparativ ... to 0.99 for A digital ...)

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