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(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

clot migration

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 testicle

Descensus 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
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The participants discussed the implementation of surveys and activities conducted during the first phase of the project and sought recommendations on enhancing the capacity of site managers and other stakeholders in managing wetlands and migratory waterbirds, and on improving the communication, education, and public awareness of the values of migratory waterbirds and their habitats for the project's second phase.
'While they come in droves, the migratory birds are not hunted down for their meat, because they have little flesh, which is not palatable,' Banda said.
Around 64 different species of local and migratory birds were identified.
Out of a total of 400 bird species recorded in Tunisia, there are 170 species of migratory birds including 130 species of waterbirds, according to the same source.
Owing to widespread hunting of these birds, unchecked urbanization, number of such migratory birds has drastically gone down and if efforts are not made to restore their course the day is not far when they stop coming here.
It included sightings of new recordings and potentially new species of migratory birds, underscoring the need to further strengthen the protection of these long-distance flyers and their temporary habitats in various parts of the country, as well as its neighbors in Southeast Asia.
Migratory birds not only add colors and beauty to the wetlands of the country but also provide ecological benefits as they prey on insects and weeds and thus contribute towards the betterment of agriculture.
Lee stressed the importance of comprehensive discussion on the management of migratory fish through the workshop.
Summary: Every year migratory birds arrive in Pakistan's capital in search of warmer climes
BRUSSELS, Sept 14 (KUNA) -- In the first eight months of 2018, number of illegal border crossings into the European Union via the top four migratory routes fell 40 per cent from a year ago to about 86.500.
Water birds- CC via Pixabay/DzidekLasek CAIRO - 6 September 2018: Egypt will review the measures it adopted to protect water birds during a conference of signatory countries of the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA), a top official at the Environmental Affairs Ministry said.
NORMAN University of Oklahoma biologists and meteorologists will develop and employ advanced methods to monitor birds during migratory flights and assess the atmospheric conditions in which they fly.