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http://dx.doi.org/10.5657/fas.2005.8.2.083

Morphology of Digestive Tract and Its Goblet Cells of Giurine Goby Rhinogobius giurinus  

Hur Sang-Woo (Marine and Environmental Research Institute, Cheju National University)
Song Young-Bo (Marine and Environmental Research Institute, Cheju National University)
Lee Chi-Hoon (Marine and Environmental Research Institute, Cheju National University)
Lim Bong-Soo (Marine and Environmental Research Institute, Cheju National University)
Lee Young-Don (Marine and Environmental Research Institute, Cheju National University)
Publication Information
Fisheries and Aquatic Sciences / v.8, no.2, 2005 , pp. 83-89 More about this Journal
Abstract
Morphology, histology, and histochemical characteristics of the digestive tract of the guirine goby (Rhinogobius giurinus: Gobiidae), collected from the coast of Jeju Island, Korea, were investigated. The digestive tract of R. giurinus, which is a brackish water species, has a short (relative length of gut=0.42), simple, and narrow gut. The gastric glands are well developed in the stomach, but pyloric caeca are absent. The mucosal folds are regularly branched, and the muscularis extern a is thickest in the esophagus, which also contained the most mucus-secreting goblet cells (P<0.05). In R. giurinus, digestive function occurs in the anterior portion of the digestive tract, where mucus protects the tract from the actions of digestive enzymes and functions to activate digestion.
Keywords
Digestive tract; Gobiidae; Goblet cell; RLG; Rhinogobius giurinus;
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