• Publications
  • Influence
Rapid color changes of amphibians are mediated by three types of dermal chromatophores, xanthophores, iridophores, and melanophores, which comprise a morphologically and physiologically distinctExpand
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On the blue coloration of vertebrates.
Although the various vertebrate classes, from fishes to mammals are each distinctive, they possess many common features making it important to understand their comparative biology. One generalExpand
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Reproduction in the mexican leaf frog, Pachymedusa dacnicolor. IV. Spermatogenesis: A light and ultrasonic study
Primary spermatogonia have highly lobate nuclei and can be distinguished as pale and dark types on the basis of nuclear and cytoplasmic features. Nuclei of secondary spermatogonia are also lobate.Expand
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Chromatophores and color change
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Cytology and cytophysiology of non-melanophore pigment cells.
  • J. T. Bagnara
  • Biology, Medicine
  • International review of cytology
  • 1966
Publisher Summary In addition to the presentation of positive information concerning non-melanophores, this chapter focuses on many of the ambiguities and misconceptions concerning theseExpand
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Pineal Regulation of the Body Lightening Reaction in Amphibian Larvae
Body pallor due to contraction of both deep and integumental melanophores occurs when either blinded or normal Xenopus laevis and other amphibian larvae are placed in the dark. The reaction isExpand
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The pineal and the body lightening reaction of larval amphibians
Abstract Darkness induces blanching in both embryonic and larval Xenopus laevis . Temporal relationships of the blanching reaction are presented. Blanching is inhibited by pinealectomy. MelatoninExpand
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Distribution of FMRFamide‐like immunoreactivity in the amphibian brain: Comparative analysis
FMRFamide is a small neuropeptide present in particular neurons of the basal forebrain and midbrain of the vertebrate groups studied, especially fishes and mammals. In order to assess interspeciesExpand
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