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Ultrastructure and Histochemistry on the Integumentary System of the Rockfish, Sebastiscus tertius (Teleostei: Scorpaenidae)  

Baek, Jae-Min (Seaweed Research Center, National Fisheries Research and Development Institute (NFRDI))
Kim, Chul-Won (South Sea Fisheries Research Institute, NFRDI)
Lim, Sang-Gu (Inland Aquaculture Research Institute, NFRDI)
Lee, Jae-Bong (Department of Aqualife Medicine, Yosu National University)
Lee, Jung-Sick (Department of Aqualife Medicine, Yosu National University)
Publication Information
Applied Microscopy / v.34, no.2, 2004 , pp. 83-93 More about this Journal
Abstract
Integumentary structures of the rockfish, Sebastiscus tertius were examined by means of the light and transmission electron microscopy. Stratified epidermal layer consists of supporting cells, unicellular glands, granular cells and mitochondria-rich cells. The epidermal layer could be classified into superficial, intermediate and basal layer by morphology and structure of the supporting cells. Mucous cells of unicellular gland were observed in the superficial and intermediate layer of the epidermis. The mucous materials were identified as acidic and carboxylated mucosubstance by histochemical methods. Club cell has well-developed central vacuole, rough endoplasmic reticula and Golgi complex in the cytoplasm. Granular cells were observed in the superficial layer and contained numerous granules of high electron density. Mitochondria-rich cells are characterized by well-developed microfilaments in cortex and numerous tubular mitochondria in medullar cytoplasm. Three types of pigment cells in the dermal layer could be distinguished with electron density of cytoplasmic inclusions.
Keywords
Integument; Sebastiscus tertius; Ultrastructure;
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