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Morphology, Histology, and Histochemistry of the Olfactory Organ in Korean Endemic Fish, Rhodeus uyekii (Pices, Cyprinidae)

한국고유종 각시붕어 Rhodeus uyekii 후각기관의 형태 및 조직, 세포화학적 특성 연구

  • Kim, Hyun Tae (Department of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University) ;
  • Yun, Seung Woon (Department of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University) ;
  • Lee, Yong Joo (Jeonju National University of Education) ;
  • Park, Jong Young (Department of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University)
  • 김현태 (전북대학교 자연과학대학 생명과학과, 전북대학교 부설 생물다양성연구소) ;
  • 윤승운 (전북대학교 자연과학대학 생명과학과, 전북대학교 부설 생물다양성연구소) ;
  • 이용주 (전주교육대학교 과학교육과) ;
  • 박종영 (전북대학교 자연과학대학 생명과학과, 전북대학교 부설 생물다양성연구소)
  • Received : 2019.07.03
  • Accepted : 2019.08.14
  • Published : 2019.09.30

Abstract

The olfactory organ of the Korean endemic fish, Rhodeus uyekii, a mussel-spawning species, was researched anatomically, histologically and histochemically, for looking into a relation to the physical and chemical condition of its habitat and ecological habit, using stereo microscopy, light microscopy and scanning electron microscopy. The external structure of the olfactory organ consists of the semicircular-shaped anterior nostril with arched shape at its forward position, posterior nostrils and the nasal flap. Within the olfactory chamber, it has the rosette structure with 14 to 15 lamellae which is largely divided into the sensory and non-sensory regions. The sensory region has the olfactory receptor neurons, the supporting cells, the basal cells, the lymphatic cells, and the plasma cells, while the non-sensory region has the stratified epithelial cells, the mucous cells with sulfomucin and 1 type of unidentified cell. In particular, the arched feature in the anterior nostril and the mucous cell of sulfomucin were unique.

한국 고유종 각시붕어 Rhodeus uyekii의 후각기관과 서식처의 물리 및 화학적 특성 그리고 생태적 습성과의 연관성을 알아보기 위해 실체현미경, 광학현미경, 주사전자현미경을 이용하여 해부 및 조직, 세포화학적 특성을 조사하였다. 후각기관의 외부형태는 반원의 전비공과 후비공, 비경계판으로 구성되는데, 특히 전비공의 앞쪽에는 아치형의 조직이 돌출되어 있다. 비강 내에는 14~15개의 후판으로 구성되는 로제트 구조를 보유하며 후판은 감각상피와 비감각상피로 구분된다. 감각상피는 후감각뉴런, 지지세포, 기저세포, 림프구, 형질세포로 구성되는 반면에 비감각세포는 층상상피세포, 점액세포, 비감각섬모세포, 미확인세포가 1종류 확인된다. 점액세포의 세포화학적 특성은 산성 및 중성의 황점액소(sulfomucine)로 나타났다.

Keywords

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