If freezing for longer than 2 months, overwrap original store packaging with airtight heavy-duty aluminum foil, plastic wrap, or freezer paper or place the package inside a heavy-duty freezer bag in order to prevent freezer burn.
chorea (plural choreas or choreae or choreÃ¦) 1  An Ancient Greek circular dance accompanied by a chorus. ( 2 medicine) Any of the various diseases of the nervous system characterized by involuntary muscular movements of the face and extremities; St. Vitus's dance.
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: