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migration(mi-gra'shon) [L. migratio, removal, migration]
1. Movement from one location to another.
2. Unwanted movement of an implanted device from its original therapeutic location to another part of the body, where it may cause injury. migratory (mi'gra-tor?e), adjective
The movement of a venous thrombosis from a distal location to one that is closer to the right side of the heart or pulmonary artery. This may increase the chances of pulmonary embolism, and typically requires renewed anticoagulation.
internal migration of ovum
Passage of the ovum from the ovary through the fallopian tube to the uterus.
migration of leukocytes
Passage of white blood cells through walls of capillaries. Synonym: diapedesis
tooth migration, m.of teeth
The movement of teeth during eruption or out of their normal position in the dental arch due to periodontal disease or missing adjacent teeth.
migration of testicleDescensus testis.
tooth migration, pathological
Drifting or movement of teeth due to the pathological changes in areas adjacent to the moving teeth.See: mesial drift; tooth movement
tooth migration, physiological
The natural and expected movement of teeth as growth and development occur;Synonym: normal tooth mobility See: mesial drift; tooth movement