Ref ID : 731
Pierre Clement, Jacqueline Amsellem, A.M. Cornillac, Anne Luciani, and Claudia Ricci; An ultrastructural approach to feeding behaviour in Philodina roseola and Brachionus calyciflorus (Rotifers) I. The buccal velum. Hydrobiologia 73:127-131, 1980
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The structure situated in the lumen of the buccal tube, called here 'buccal velum', separates the buccal space from the pharyngeal space. The velum is a supple membrane-pile. Its structure resembles that of a fish-trap. The food, once ingested, cannot go back into the buccal lumen.