Applied Microscopy

  • Volume 52
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  • Pages.8.1-8.7
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  • 2022
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  • 2287-5123(pISSN)
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  • 2287-4445(eISSN)
Korean Society of Microscopy (한국현미경학회)
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Histology and morphometry of the skin of the trident goby Tridentiger brevispinis (Perciformes, Gobiidae)

  • Hyun‑Tae Kim (Department of Science Education, Jeonju National University of Education)
  • Received : 2022.06.29
  • Accepted : 2022.07.26
  • Published : 2022.12.31
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Abstract

The Korean trident goby, Tridentiger brevispinis, lives in adverse habitats that can easily become hypoxic due to low precipitation, regional dry periods, and high amounts of solar radiation. Histological and morphometric studies revealed the goby's specialized skin (35.4-150.0㎛ in thickness), consisting of an epidermis and dermis. The thicker epidermis comprises an outermost surface layer (having taste buds, stratified fattened cells, mucous cells, pigment cells, and stratified polygonal cells), middle layer (having stratified polygonal cells), and stratum germinativum (stratified columnar cells). In particular, the dermis has scales, well-developed vascularization, and a few blood capillaries just above the basement membrane, and a reduced diffusion distance was present in the lateral body. Consequently, adaptations such as thicker epidermis, well-developed vascularization, few blood capillaries, and a reduced diffusion distance may provide cutaneous respiration for survival in poorly oxygenated water during the periodic dry season.

Keywords

Acknowledgement

This work was supported by the research grant from Jeonju National University of Education in 2022.

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