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Related Concept Videos

Cell Migration01:09

Cell Migration

Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms throughout their life. When cells are not able to migrate properly to their ordained locations, various disorders may occur. For example, disruption in cell migration causes chronic inflammatory diseases such as arthritis.
Migration00:53

Migration

Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
Habitat Fragmentation02:31

Habitat Fragmentation

Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
Cell Migration01:19

Cell Migration

Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
Cytoskeletal Coordination in Cell Migration01:32

Cytoskeletal Coordination in Cell Migration

A migrating cell changes its shape during the cyclic events of attachment and detachment from the substratum and repositions the cell organelles correspondingly. These complex events are orchestrated by the dynamic cytoskeletal network comprising actin filaments, intermediate filaments, and microtubules. Cytoskeletal crosstalk — the direct and indirect communication between the different components — is crucial for this coordination. Direct communication involves various linker proteins that...
Neuromuscular Junction And Blockade01:29

Neuromuscular Junction And Blockade

The site of chemical communication between a motor neuron and a muscle fiber is called the neuromuscular junction (NMJ). The end of the motor neuron at the NMJ divides into a cluster of synaptic end bulbs. The cytoplasm of these bulbs consists of synaptic vesicles enclosing acetylcholine molecules, the principal neurotransmitter released at the NMJ. The region opposite the synaptic bulb that ends in the muscle fiber is called the motor end plate, which has acetylcholine receptors. Within the...

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Related Experiment Video

Updated: Jul 13, 2026

Radial Mobility and Cytotoxic Function of Retroviral Replicating Vector Transduced, Non-adherent Alloresponsive T Lymphocytes
10:01

Radial Mobility and Cytotoxic Function of Retroviral Replicating Vector Transduced, Non-adherent Alloresponsive T Lymphocytes

Published on: February 11, 2015

Vietnamese refugees and blocked mobility.

S Gold, N Kibria

    Asian and Pacific Migration Journal : APMJ
    |January 1, 1993
    PubMed
    Summary

    Vietnamese refugees in the U.S. face economic challenges, including unstable jobs and welfare reliance. Their settlement circumstances and demographics limit economic opportunities, contrary to a "success story" narrative.

    Keywords:
    AmericasAsiansCultural BackgroundDemographic FactorsDeveloped CountriesEconomic FactorsEmployment StatusEthnic GroupsInformal SectorMacroeconomic FactorsMigrantsMigrationNorth AmericaNorthern AmericaPopulationPopulation CharacteristicsPopulation DynamicsRefugeesSettlement And ResettlementSocial WelfareSocioeconomic FactorsSocioeconomic StatusUnited States

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    Area of Science:

    • Sociology
    • Economics
    • Refugee Studies

    Background:

    • Vietnamese refugees resettled in the U.S. post-Vietnam War.
    • Previous narratives often portrayed refugee resettlement as an economic success story.

    Purpose of the Study:

    • To assess the current economic situation of Vietnamese refugees in the United States.
    • To challenge the prevailing "success story" narrative.

    Main Methods:

    • Analysis of published data.
    • Ethnographic studies conducted in Oakland, California, and Philadelphia, Pennsylvania.

    Main Results:

    • Many recently arrived Vietnamese refugees experience unstable, minimum-wage employment.
    • Welfare dependency and informal economy participation are prevalent.
    • Economic status contrasts sharply with the "success story" perception.

    Conclusions:

    • Limited economic opportunities for Vietnamese refugees stem from their resettlement circumstances.
    • Demographic structure of the refugee group also impacts economic outcomes.