Construction is a general term meaning the art and science to form objects, systems, or organizations, and comes from Latin constructionem (from com-together and struere to pile up) and Old French construction. Construction is used as a verb: the act of building, and a noun: how a building was built, the nature of its structure.
Definition of Placenta accreta. Placenta accreta: The abnormal adherence of the chorion of the placenta to the myometrium of the uterus. Normally there is tissue intervening between the chorionic villi and the myometrium, but in 'placenta accreta, the vascular processes of the chorion grow directly in the myometrium. Placenta accreta can progress into placenta percreta. Search MedTerms:
placenta - that part of the ovary of a flowering plant where the ovules form. reproductive structure - the parts of a plant involved in its reproduction. ovary - the organ that bears the ovules of a flower.