The Responses of the Deep-Seated Melanophores in the Frog to Adrenalin and Pituitrin
โ Scribed by Mary Sears
- Book ID
- 123667459
- Publisher
- National Academy of Sciences
- Year
- 1931
- Tongue
- English
- Weight
- 144 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0027-8424
- DOI
- 10.2307/86107
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๐ SIMILAR VOLUMES
Chromatophore responses have traditionally been evaluated by observation of the position of pigment granules in the cells, the position being sometimes assigned a number on an arbitrary scale described by Hogben and Slome ('31). In searching for an objective method of measuring melanosome migration
1. The melanopliores of the following animals, Fundulus heleroclitus, Mollienisia latipinna, Plirynosoma douglassii and P. modestum, contract mhen the animals are placed on a white background arid expand when on a black one.
## ONE FIQURE If the blanching and the darkening of such a fish as Fundulus are due to the action on its melanophores of a concentrating neurohumor from its concentrating nerve fibers and of a dispersing one from the opposing fibers, it might be possible by appropriate stimulation to exhaust one o