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placebo effect
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placentation

plac·en·ta·tion [ plàss'n táysh'n ]


noun 
Definition:
 
1. biology formation or attachment of placenta: the process of forming a placenta during pregnancy, or the way in which the placenta is attached to the wall of the uterus

2. botany way ovules are attached: the way in which ovules are attached to the ovary of a plant

3.  (plural plac·en·ta·tions) biology placenta type: the form, structure, or type of a placenta

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