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[Histological Study on Integumentary and Digestive System of Hirudo nipponica]
Objective:
The integumentary and digestive system of Hirudo nipponica were studied,in order to protect the precious Chinese herbal medicine.
Methods:
The histological study of integumentary and digestive system of Hirudo nipponica by histological methods were carried out by microscopical method.
Results:
The body wall of Hirudo nipponica could be divided into five layers, including cuticular layer, epithelial layer, dermis layer, muscle layer and grape-like tissue. The digestive system was composed ofmouth,pharyngeal,esophagus,crop,intestine,rectum and anus.
Conclusion:
This study can provide the basic data for the artificial breeding, research in pathology and physiological functions of Hirudo nipponica.
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