The midgut diverticulum reffered to as''liver''s the main digestive gland.It arises as a blind pouch from the ventral oesophagus and midgut. It is surrounded by a narrow coelomic cavity. Its inner lining has a strong ciliated groove for movements of food. Its zymogen cells secrete a number of digestive engymes. The epithelial lining of intestine also contains glands cells that secrete digestive enzymes.
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