When a tiny parasite enters an oyster's shell, mantle cells cover it with nacre until this is formed
[DOC] [TLE] The Side of Parasites Flashcards | Quizlet [PAR] When a tiny parasite enters an oyster's shell, mantle cells cover it with nacre ... 
You can "vent" this soft, ductless organ that fights infection with parasite detection
... [DOC] [TLE] Jeopary Questions page 1152 - BERRY, BERRY GOOD ... [PAR] THIS SIDE OF PARASITES: When a tiny parasite enters an oyster's shell, mantle 
cells cover it with nacre until this is formed  BASEBALL FRANCHISE SHIFTS:... [DOC] [TLE] How Do Oysters Make Pearls?