migration /mi·gra·tion/ (mi-gra´shun)
migration
1. an apparently spontaneous change of place, as of symptoms.
2. diapedesis.
mi·gra·tion (m -gr  sh n)n. 1. The moving from place to place, as of disease symptoms. 2. See diapedesis. 3. The movement of a tooth or teeth out of normal position. 4. The movement of one or more atoms from one position to another within a molecule. 5. The movement of ions between electrodes during electrolysis. |
migration
[mīgrā′shən]
Etymology: L, migrare, to wander
the passage of the ovum from the ovary into a fallopian tube and then into the uterus.
migration
movement of living things from one place to another by their own volition. Also used to describe movement of nonliving biological material, e.g. migration of protein in electrophoretic media.
migration inhibition factor
see leukocyte migration-inhibition factor, macrophage inhibition factor, migration inhibition test (below).
migration inhibition test
an in vitro test for detection of cell-mediated immunity (or delayed hypersensitivity) in which peritoneal exudate cells (lymphocytes and macrophages) are packed in capillary tubes and placed in a medium; if the medium contains an antigen to which the lymphocytes are primed, macrophage migration from the tubes is inhibited by lymphokines, particularly macrophage inhibiting factor, released by the antigen stimulated lymphocytes.
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