The digestive tract of _Octopus vulgaris_ consists of the buccal mass complex with a beak and radula, oesophagus, crop, stomach, caecum, digestive gland, intestine and salivary glands. The buccal mass contains the lower and upper beaks, radular apparatus and salivary papilla. Each beak consists of a hood and lateral walls; two wings are present in the lower beak only. The ...
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