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 15 (3): 277-282, 2011. Redacted 2017.

Histomorphology of the alimentary canal in silver carp  (Hypophthalmichthys molitrix).

 

Banan Khojasteh SM1, Masoumi L2, Ganji Panahi P2

 

1 Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, and 2 Department of Biology, Faculty of Basic Sciences, Mohaghegh Ardebili University, Ardebil, Iran

 

ABSTRACT

 

Banan Khojasteh SM, Masoumi L, Ganji Panahi P., Histomorphology of the alimentary canal in silver carp (Hypophthalmichthys molitrix). Onl J Vet Res., 15 (3): 277-282, 2011. The histomorphology of the esophagus and intestine in silver carp fish (Hypophthalmichthys molitrix) is described. Macroscopically, esophagus and intestine were folded. Histology revealed that the esophagus and intestine consisted of a tunica mucosa, submucosa, muscularis and adventitia (in the esophagus), or tunica serosa (in the intestine). Esophageal mucosa appeared lined with non-keratinized stratified epithelium but without a muscularis mucosae. The tunica muscularis in the esophagus was organized in inner longitudinal and outer circular striated skeletal muscle layers. The intestinal mucosa had numerous villi of simple columnar epithelium with goblet cells. Contrasting with other fish a muscularis mucosa was found in the intestine arranged in inner circular and outer longitudinal smooth muscle layers with a nerve plexus between them.

 

Key words: silver carp, histomorphology, alimentary canal.

 

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