Term Name:	placenta development
Synonyms:	placental development, placentation
Definition:	The process whose specific outcome is the progression of the placenta over time, from its formation to the mature structure. The placenta is an organ of metabolic interchange between fetus and mother, partly of embryonic origin and partly of maternal origin.
Ontology:	GO: Biological Process [GO:0001890]    QuickGO    AmiGO