Microscopical Observation on Pigment Cells in Fins and Scales of Zebrafish

doi:10.3969/j.issn.1674-5817.2017.02.003

Abstract

Abstract: Objective To observe the composition, distribution and morphological characteristics of pigment cells in the fins and scales of zebrafish. Method The microstructure of pigment cells in the fins and scales of AB strain of zebrafish was observed by optical microscope. Results All fins in zebrafish distributed melanophores and xanthophores, without iridophores. According to the distribution of the pigment cells, the zebrafish fins were divided into two types: with or without zebra stripes. There were melanophores, xanthophores and iridophores existed in scales. The melanophores were mainly divided into two types: type I was larger, obviously dendritic and light color; type II was smaller, nodular, dark color. Xanthophores were the smallest, yellow or orange yellow. Iridophores were a long rod like or fusiform, with smallest number. Conclusion There were three types of pigment cells in the surface of zebrafish including melanophores, xanthophores and iridophores. The composition and distribution of pigment cells in the fins and scales were different. The types and morphological characteristics of pigment cells in the scales were more abundant than that in fins.

Key words: Zebrafish, Fin, Scale, Pigment cell, Melanophore, Xanthophore, Iridophore

CLC Number:

Q954.5

LIN Jin-xing, FENG Li-ping, HU Jian-hua, GAO Cheng. Microscopical Observation on Pigment Cells in Fins and Scales of Zebrafish[J]. Laboratory Animal and Comparative Medicine, 2017, 37(2): 94-101.

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