| migration inhibition test | A test which measures the presence of migration-inhibitory factor. Usually peritoneal macrophages are placed in a capillary tube in the presence or absence of supernatants from activated T-cells. If MIF is present, the migration of monocyte/macrophages is reduced. Synonym: macrophage migration inhibition test, migration inhibition test. (05 Mar 2000) |
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| migration of ovum | <gynaecology> The transperitoneal passage of an ovum from the ovarian follicle into the uterine tube. (05 Mar 2000) |
| migration theory | An obsolete theory that sympathetic ophthalmia is caused by a migration of the pathogenic agent through the lymph channels of the optic nerve. (05 Mar 2000) |
| migration-inhibitory factor | <growth factor> A soluble, nondialysable factor that is produced by sensitised lymphocytes following exposure to a specific antigen. It inhibits macrophage migration and causes adherence. It was originally defined on the basis of inhibition of emigration of mononuclear cells from capillary (haematocrit) tubes, more recently a 13 kD protein with migration inhibitory activity has been isolated. Acronym: MIF Synonym: inhibition factor. (22 Sep 2002) |
| migration-inhibitory factor test | A test which measures the presence of migration-inhibitory factor. Usually peritoneal macrophages are placed in a capillary tube in the presence or absence of supernatants from activated T-cells. If MIF is present, the migration of monocyte/macrophages is reduced. Synonym: macrophage migration inhibition test, migration inhibition test. (05 Mar 2000) |
| migratory | 1. Removing regularly or occasionally from one region or climate to another; as, migratory birds. 2. Hence, roving; wandering; nomad; as, migratory habits; a migratory life. <zoology> Migratory locust, the American robin. See Robin. Origin: Cf. F. Migratoire. Source: Websters Dictionary (01 Mar 1998) |
| migratory cell | A cell such as a leukocyte, having ameboid movements, with a power of locomotion. Synonym: wandering cell. Synonym: migratory cell. (05 Mar 2000) |
| migratory pneumonia | A form of pneumonia in which successive areas of the lung are affected; may occur in bronchopulmonary aspergillosis. Synonym: wandering pneumonia. (05 Mar 2000) |
| migraine |
an often familial symptom complex of periodic attacks of vascular headache, usually temporal and unilateral in onset, commonly associated with irritability, nausea, vomiting, constipation or diarrhea, and often photophobia. Attacks are preceded by constriction of the cranial arteries, often with resultant prodromal sensory (especially ocular) symptoms and the spreading depression of Leão; the migraines themselves commence with the vasodilation that follows. Two primary types are distinguished, m. with aura and m. without aura; the variety without an aura is more common.
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| migraine a. |
visual, motor, or psychic disturbances, paresthesias, and other neurologic abnormalities that accompany a migraine; see also migraine with aura, migraine without aura, and migraine a. without headache.
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| migraine a. without headache |
symptoms such as teichopsia that fit the definition of migraine aura but occur without headache or brain lesions; called also migraine equivalent.
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| migraine e. |
migraine aura without headache; see under aura.
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| migraine h. |
migraine.
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| MIG | a severe recurring vascular headache |
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| MIG | traveler who moves from one region or country to another |
| MIG | habitually moving from place to place especially in search of seasonal work |
| MIG | of central North America |
| MIG | move from one country or region to another and settle there |
| MIG | move periodically or seasonally |
| MIG | the movement of persons from one country or locality to another |
| MIG | the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding |
| MIG | (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule |
| MIG | a group of people migrating together (especially in some given time period) |
| MIG | the geographic route along which birds customarily migrate |
| MIG | of or related to migration |