Nervous Control of Chromatophores in Teleost Fishes
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Nervous Control of Chromatophores in Teleost Fishes
Changes ot skin colour with temperature are remarkably consistent in reptiles; high temperatures cause paling of the skin while low temperatures induce darkening. The same rule generally applies to the Amphibia (Parker, 1948), although exceptions have frequently been noted. But in teleost fishes the responses are often ill-defined, unpredictable and even contradictory. There is a large literatu...
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It has been firmly established that in many teleosts the sympathetic nervous system contains cells whose activity causes aggregation of the pigment within the melanophores and therefore paling of the skin. In the minnow these W (whitening) fibres were shown by von Frisch (1911) to follow the pathways shown in Fig. iA; that is they pass from a centre in the hind-brain via the spinal cord to the ...
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The ulstrastructure of the saccular and lagenar maculae were studied in 15 species of teleost fishes, using the scanning electron microscope. Particular attention was paid to hair cell orientation patterns, composition of the ciliary bundles on the hair cells, hair cell distributions, and supporting cell types. The hair cells on both otolithic organs are divided into several groups with all of ...
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The study of sex differences has produced major insights into the organization of animal phenotypes and the regulatory mechanisms generating phenotypic variation from similar genetic templates. Teleost fishes display the greatest diversity of sexual expression among vertebrate animals. This diversity appears to arise from diversity in the timing of sex determination and less functional interdep...
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ژورنال
عنوان ژورنال: Journal of Experimental Biology
سال: 1964
ISSN: 1477-9145,0022-0949
DOI: 10.1242/jeb.41.3.553