Migration definition

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Definition noun, plural: migrations (1) Passing from one part to another, said of certain morbid (2) Diapedesis, i.e. the emigration of leucocytes across the (3) (4) Supplement Migration is the process or act of migrating, i.e. the movement from one region or place of habitat to another. Animals display the so-called migratory behavior. It is when an individual or a group of animals move from their Migration may also occur at the cellular level. For instance, leucocytes may move towards the region where they are essential for their immunologic function. This movement is formerly called diapedesis, which in particular is the emigration of leucocytes across the Word origin: Latin migro (to move from place to place) Related term(s): • Cell migration inhibition • Cell migration • Gene Migration • In-migration • Leukocyte migration-inhibitory factors • Macrophage migration inhibition test • Macrophage migration-inhibitory factors • Migration inhibition test • Migration of ovum • Migration theory • Migration-inhibitory factor test • Migration-inhibitory factor Related form(s):• migrate ( verb, to move from one place of residence or region to another) • migratory ( adjective, to move regularly or occasionally from one region or climate to another; nomad) • • • • • • • • The content on this website is for information only. It is not intended to provide medical, legal, or any other professional advice. Any information here should not be considered absolutely correct, complete, and ...

• Alternatives to detention – Any legislation, policy or practice, formal or informal, aimed at preventing the unnecessary detention of persons for reasons relating to their migration status. Source: Adapted from International Detention Coalition, There Are Alternatives: A Handbook for Preventing Unnecessary Immigration Detention (revised edition, 2015) p. 78. Note: International human rights law provides that detention, including in the migration context, must only be used as a last resort, that is when alternatives cannot be applied. Examples of alternatives to detention include measures ranging from policy or legislative developments that have an impact on preventing unnecessary detention, to effective screening and identification procedures, community-based or casework-oriented models, bail, bond and surety options, open or semi‐open centres, reporting requirements and case resolution options. • Assisted Voluntary Return and Reintegration – Administrative, logistical or financial support, including reintegration assistance, to migrants unable or unwilling to remain in the host country or country of transit and who decide to return to their country of origin. Note: In the context of assisted voluntary return and reintegration, voluntariness is assumed to exist if two conditions apply: (a) freedom of choice, which is defined by the absence of physical or psychological pressure to enrol in an assisted voluntary return and reintegration programme; and (b) an informed decis...

Historically, human societies have engaged in several major migrations, from Moses telling the Pharaoh to let his people go, then wandering around the desert for 40 years, to the mysterious abandonment of advanced Amerindian cities like Chaco Canyon. So why do people migrate? The most basic way to divide up the many reasons is into categories of push and pull. Push factors are those which force people to leave their current home. Across history, push factors have included a diverse range of situations, including drought, famine, war, invasion, disease, lack of job opportunities, lack of religious or personal freedoms, or discrimination. You'll notice that these are all pretty unpleasant things. Obviously, people have been migrating for a long time, otherwise we'd all still be living in Africa, and things would be getting pretty crowded. But human migration wasn't just a phenomenon of the past. Migrations are still an important part of modern society, and most modern theories believe that 21st century migrations are primarily related to economic factors; In other words, where people can find work and where they can afford to live. There are still migrations for other reasons, such as political freedom and education opportunities, but work seems to be the most common. Human migration, or the permanent relocation of human individuals or communities, is something that has been happening for millennia and is still happening today. People can migrate for any number of reasons, b...