한국어류학회지 (Korean Journal of Ichthyology)

  • 제30권3호
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  • Pages.161-166
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  • 2018
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  • 1225-8598(pISSN)
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  • 2288-3371(eISSN)
한국어류학회 (The Ichthyological Society of Korea)
권호 표지

돌마자 Microphysogobio yaluensis(Cypriniformes, Cyprinidae) 후각기관의 구조 및 조직학적 특성 연구

Structure and Histological Characters of the Olfactory Organ in Korean Endemic Fish, Microphysogobio yaluensis (Cypriniformes, Cyprinidae)

  • 김현태 (전북대학교 생명과학과) ;
  • 이용주 (전주교육대학교 과학교육과) ;
  • 김형수 (국립수산과학원 중앙내수면연구소 내수면양식연구센터) ;
  • 박종영 (전북대학교 생명과학과)
  • Kim, Hyun Tae (Department of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University) ;
  • Lee, Yong Joo (Jeonju National University of Education) ;
  • Kim, Hyeong Su (Inland Aquaculture Research Center, National Institute of Fisheries Science) ;
  • Park, Jong Young (Department of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University)
  • 투고 : 2018.09.10
  • 심사 : 2018.09.29
  • 발행 : 2018.09.30
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초록

한국 고유종 돌마자 Microphysogobio yaluensis의 후각기관과 서식처 및 생태와의 연관성을 알아보기 위해 실체 현미경과 광학현미경을 이용하여 구조 및 조직학적 특징을 조사하였다. 후각기관은 외부적으로 전비공, 후비공 그리고 비경계판으로 구성되어 있으며, 내부는 22~24개의 후판들과 비선으로 구성되었다. 후판은 감각상피와 비감각상피로 이루어져 있는데, 감각상피는 후감각신경, 지지세포, 기저세포들로 구성되었으며, 비감각상피는 층상상피세포, 비감각섬모세포, 산성과 중성을 갖는 황점액소의 점액세포들로 구성되어 있다. 이러한 후각기관들의 특징들은 돌마자의 높은 후각능력과 의존성 그리고 서식처 환경에 밀접한 관계가 있을 것으로 생각되며 분류학적 연구에도 활용될 수 있을 것으로 생각된다.

The olfactory organ of Korean endemic fish Microphysogobio yaluensis are described anatomically and histologically, focused on relationship to its habitat and ecology. The paired olfactory organs are located at the dorsal snout, and externally consist of two semicircular nostrils and single nasal flap. They internally have rosette structure with 22 to 24 units of lamellae and the raphe inside the olfactory chamber. The lamella is made up of the sensory and the non-sensory epitheliums. The sensory epithelium has olfactory receptor neurons, supporting cells and basal cells whereas the nonsensory epithelium has stratified epithelial cells, ciliated non-sensory cells and mucous cells with acidic and neutral mucins. These structures might be considered that M. yaluensis has the olfactory organ which corresponds to the high sensitivity for its habitat and ecology, and is usable as a taxonomic key.

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