한국어류학회지 (Korean Journal of Ichthyology)

  • 제17권3호
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  • Pages.167-172
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  • 2005
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  • 1225-8598(pISSN)
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  • 2288-3371(eISSN)
한국어류학회 (The Ichthyological Society of Korea)
권호 표지

한국산 미끈망둑 Luciogobius guffafus(농어목) 5개 부속지의 표피구조 및 점액세포

Mucous Cells and Their Structure on the Epidermis of Five Appendages in the Korean Flat- headed Goby, Luciogobius guttatus (Pisces; Perciformes)

  • Park, Jong-Young (Faculty of Biological Sciences, Chonbuk National University) ;
  • Kim, Ik-Soo (Faculty of Biological Sciences, Chonbuk National University) ;
  • Lee, Yong-Joo (Jeonju National University of Education) ;
  • Baek, Hyun-A (Faculty of Biological Sciences, Chonbuk National University)
  • 투고 : 2005.08.01
  • 심사 : 2005.09.09
  • 발행 : 2005.09.30
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초록

조간대와 강하구에 출현하는 미끈망둑 Luciogobius guttatus은 썰물 동안에 건조하기 쉬운 자갈 바닥 아래에서 서식하는 특징을 보인다. 이러한 서식처를 선호하는 미끈망둑의 호흡체계를 조사하기 위해 지느러미 및 흡반을 포함하는 5개의 부속지의 표피구조를 관찰하였다. 표피는 모두 맨바깥층(outermost layer), 중간층(middle layer), 기저층(stratum germinativum)으로 구성된다. 맨바깥층은 다형세포 또는 편평세포, 그리고 점액세포로 구성되었으며, 특히 단일세포성의 점액세포는 $11.1{\sim}16.1{\mu}m$의 크기로 1~2층으로 배열되어 있으며, 산성다당류로 확인되었다. 중간층은 이웃한 표피세포로 팽대해진 팽대세포 (swollen cell)로 구성되어 있으며, $12.3{\sim}15.2{\mu}m$의 크기로 1~11층으로 배열되어 마치 거미망구조를 보인다. 이러한 팽대세포로 인해 상피 두께의 대부분을 차지한다. 많은 모세혈관이 기저막 아래에 분포하고 있으며, 미뢰 (taste bud)가 표피에 존재한다. 이러한 표피의 특징은 미끈망둑이 이중호흡체계인 피부호흡 (cutaneous respiration)과 밀접한 관계가 있는 것으로 생각된다.

The flat-headed goby, Luciogobius guttatus, inhabits tidepools and river mouths, and stays under stones on the dried bottom for the duration of the low tide. To know the relationship of its respiration and habit in this fish, the epidermis of five appendages was observed. The epidermis has three layers: the outermost layer, middle layer and stratum germinativum. The outermost layer is composed of polygonal cells or rather flattened cells, and mucous cells. The unicellular mucous cells showing acid mucopolysaccharides are 11.1 to $16.1{\mu}m$ in mean height and in one or two rows. The middle layer consists mainly of large epidermal cells that are swollen by adjacent epidermal cells and arranged in a web-shaped structure. The swollen cells are 12.3 to $15.2{\mu}m$ in mean height and arranged in one to 11 layers. Since the swollen cells occupy the entire height of the epidermis, the epidermis is thick. A large number of blood capillaries are present just below the stratum germinativum. Taste buds are distributed at intervals on the surface of the epidermis. Based on these epidermal strucures, it is likely that L. guttatus utilizes cutaneous respiration in a dual respiratory systems.

키워드

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