taret organ: (endocrinology) organ most affected by a particular hormone
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
albigensianism: a Christian movement considered to be a medieval descendant of Manichaeism in southern France in the 12th and 13th centuries; characterized by dualism (asserted the coexistence of two mutually opposed principles, one good and one evil); was exterminated for heresy during the Inquisition