Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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A Study on the Structure of Peripheral Olfactory Organ in the Korean Mudskipper, Scartelaos gigas (Pisces, Gobiidae)

한국산 남방짱뚱어 Scartelaos gigas의 후각기관 구조에 관한 연구

  • Kim, Hyun Tae (Faculty of Biological Science and Institute for Biodiversity, College of Natural Science, Chonbuk National University) ;
  • Lee, Yong Joo (Jeonju National University of Education) ;
  • Park, Jong Sung (Faculty of Biological Science and Institute for Biodiversity, College of Natural Science, Chonbuk National University) ;
  • Park, Jong Young (Faculty of Biological Science and Institute for Biodiversity, College of Natural Science, Chonbuk National University)
  • 김현태 (전북대학교 자연과학대학) ;
  • 이용주 (전주교육대학교 과학교육과) ;
  • 박종성 (전북대학교 자연과학대학) ;
  • 박종영 (전북대학교 자연과학대학)
  • Received : 2014.11.22
  • Accepted : 2014.12.20
  • Published : 2014.12.31
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Abstract

An olfactory organ in Scartelaos gigas, so-called mudskipper known as adaptation to an amphibious lifestyle, was investigated anatomically and histologically. S. gigas possessed the paired olfactory organ comprising respectively the one elongated canal and two nasal sacs, lacrimal and ethmoidal nasal sac. The sensory epithelium developed partly in the canal contained four distinct types of cells: (1) receptor cell with 3 to 4 cilia in number, (2) supporting, (3) basal, (4) mucus cell. The sensory epithelium was also of transitional layer as multi cellularity structure. The non-sensory epithelium had no sensory elements. The two nasal sacs possessed typically a lot of mucin droplets. These results might be considered that anatomical structure and histological characters of the olfactory organ showing in S. gigas is adapted to semi-aquatic life associated with its ecological habit and habitat.

수중과 육상의 이중적인 생활을 하는 남방짱뚱어 Scartelaos gigas (amphibious mudskipper)의 후각기관을 해부학과 조직학적으로 연구하였다. 그 결과 후각기관은 좌우 한 쌍이 존재하며 각 기관은 한 개의 가느다란 긴관 (an elongated canal)과 사비강과 누비강의 두 개의 비강 (ethmoidal and lacrimal nasal sacs)으로 구성되어 있었다. 각 관의 내벽에 발달한 감각 상피는 3~4개의 섬모를 가지는 감각 수용기 세포 (receptor cell), 지지세포 (supporting cell), 기저세포 (basal cell) 그리고 점액세포 (mucus cell)들로 구성되는 다세포성 구조로 이루어져 있었다. 반면에 비감각 상피는 감각기를 갖지 않는 주름진 표면만을 가지고 있었다. 또한 두 개의 비강은 상피 표면에 점액 방울 (mucin droplet)을 가지고 있었다. 따라서 남방짱뚱어의 이러한 후각기관의 특징은 생태적 습성과 서식처에 관련된 반수중 생활 (semi-aquatic life)에 적응한 특징으로 사료된다.

Keywords

References

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