전자저널 > 전자저널 > Morphology and Histology of the Digestive Tract of the Abalone, Haliotis discus hannai (Gastropoda: Haliotidae)

Morphology and Histology of the Digestive Tract of the Abalone, Haliotis discus hannai (Gastropoda: Haliotidae)

Seung Wan Kang, Jae Bong Lee and Jung Sick Lee

Department of Aqualife Medicine, Yosu National University, Yeosu 550-749, Korea

The digestive system of the abalone, Haliotis discus hannai consists of radula sac, esophagus, crop, stomach, intestine (anterior, mid and posterior intestine) and hepatopancreas. The epithelial layer was composed of ciliated columnar cells, mucous cells and granular cells. And epithelium thickness of the crop was thicker (90.80 m) than those of other regions. Mucous cells of PAS positive in the esophagus were more advanced than those of other regions. The contents of mucous cell were neutral and acid mucosubstance in the esophagus and the anterior, mid and posterior intestine. And it seem to be lipid in the crop and stomach.

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