criterion , pl. criteria (krI-ter´e-on, -e-a)

1. A standard or rule for judging; usually plural (criteria) denoting a set of standards or rules. 2. In psychology, a standard such as school grades against which test scores on intelligence tests or other measured behaviors are validated. 3. A list of manifestations of a disease or disorder, a certain number of which must be present to warrant diagnosis in a given patient. [G. kriterion, a standard]
Spiegelberg's criteria (for diagnosis of ovarian pregnancy) 1) the oviduct on the affected side must be intact; 2) the amnionic sac must occupy the position of the ovary; 3) the amnionic sac must be connected to the uterus by the ovarian ligament; and 4) ovarian tissue must be present in the wall of the amnionic sac.


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