A preparation made from plant material

(politics) Initialism of Office for Democratic Institutions and Human Rights.

(pathology) A rare hereditary disease characterized by a near complete inability of the liver to process bilirubin, which leads to death by kernicterus if untreated.

(medicine) An infection of the uterus most commonly seen in dogs, but also occasionally in other small mammals, resulting from hormonal and structural changes in the lining of the uterus.