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Term Definition
Trigger hairs Extensions placed at the opening (trap door) into the bladder of bladderworts ( sp.) which, when touched by prey cause the trap door of the bladder to open causing the prey to be sucked into into the bladder. The prey is decomposed and its nutrients, such as nitrogen, are assimilated by the plant. Bladders of Utricularia intermedia. Photo by S.A. Mori.