A diagnostic ultrasound presentation of the temporal changes in echoes in which the depth of echo-producing interfaces is displayed along one axis and time is displayed along the second axis, recording motion of the interfaces toward and away from the transducer.
abbreviation 1. mixed member proportional: a system of proportional representation, used in Germany and New Zealand
Marine Mammal Protection Act
1. Minnesota Multiphasic Personality Inventory. Minnesota Multiphasic Personality Inventory
abbreviation 1. measles, mumps, and rubella: a combined vaccine given to young children MMR abbr. measles, mumps, rubella vaccine measles, mumps, rubella