erythrophore


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Related to erythrophore: Cyanophore, Xanthophores

erythrophore

[ə′rith·rə‚fȯr]
(zoology)
A chromatophore containing a red pigment, especially a carotenoid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Chromatophores include xanthophores associated with the melanophores on the dorsal and ventral midlines and a single erythrophore at the base of the caudal fin.
At irregular intervals from day 0 to day 22, one to five fish (a total of 53 specimens, 3.38-26.76 mm BL) were examined while anesthetized with MS-222 to determine erythrophore distribution.
Accurate identification of Thunnus larvae requires an extensive knowledge of individual, growth-associated, and geographic variations in melanophore and erythrophore patterns.
Usually, erythrophores are the dendritic chromatophores that contribute the reddish components to the integumental coloration (2).
W7 also inhibits pigment aggregation in cultured fish melanophores and erythrophores (Xiphophorus maculatus, Oshima et al., 1988; Chrysiptera cyanea, Oshima et al., 1990) but does not affect aggregation in cultured Pterophyllum sca-lare scale melanophores (Sammak et al., 1992).
Taylor (1992) has demonstrated pigment granules in goldfish erythrophores arrayed along narrow ER cisternae, apparently in a stretched state.
Calcium as the second messenger of the red pigment concentration hormone (RPCH) in ovarian erythrophores of Palaemonetes pugio.
Pigment granules remain dispersed in cultured Xi-phophorus maculatus erythrophores perfused with 10 [mu]M A23187 and EGTA-buffered, [10.sup.-8] M free [Ca.sup.++] at [10.sup.-4] M [Ca.sup.++] erythrosome aggregation is almost complete (Oshima et al., 1988).
This antagonism between the effects produced by 5-HT and DA on the testes is reminiscent of that seen with the erythrophores of Uca pugilator where the pigment-dispersing effect of 5-HT and the pigment-concentrating effect of DA were reduced when mixtures of 5-HT and DA were co-injected (Fingerman and Fingerman, 1977).