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Related Concept Videos

Migration00:53

Migration

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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.
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Cell Migration01:19

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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.
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Cell Migration01:09

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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.
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Intracellular Movement of Viruses and Bacteria01:10

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Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a...
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Cytoskeletal Coordination in Cell Migration01:32

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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...
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Pareto Chart00:52

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A Pareto chart is a bar graph or a combination of both line and bar graphs. The bar lengths represent the individual values or the frequency, while the lines represent the cumulative total values. In this chart, the longest bars are arranged on the left and the shortest bars on the right, which makes it easier to read and interpret the data. It can also be called a Pareto diagram or Pareto analysis.
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Related Experiment Video

Updated: Dec 18, 2025

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
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COVID-19 Sets off Mass Migration in India.

Richa Mukhra1, Kewal Krishan1, Tanuj Kanchan2

  • 1Department of Anthropology (UGC Centre of Advanced Study), Panjab University, Sector-14, Chandigarh, India.

Archives of Medical Research
|June 20, 2020
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The COVID-19 pandemic triggered a massive reverse migration in India, displacing millions. This event, the second largest in India

Keywords:
COVID-19ImplicationsMass migrationSARS-C0V-2 infection

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Area of Science:

  • Sociology
  • Demographics
  • Public Health

Background:

  • The COVID-19 pandemic led to unprecedented reverse migration in India.
  • This phenomenon is comparable in scale to the 1947 Partition of India, which displaced over 14 million people.

Purpose of the Study:

  • To analyze the trends and patterns of COVID-19 induced reverse migration in India.
  • To examine the multifaceted effects of this migration on individuals and the nation.

Main Methods:

  • Qualitative analysis of migration trends.
  • Review of socio-economic impacts on displaced populations.

Main Results:

  • Identified significant reverse migration flows across India.
  • Observed profound impacts on migrants' livelihoods and national socio-economic structures.

Conclusions:

  • The COVID-19 pandemic's reverse migration poses significant challenges.
  • Understanding these migration dynamics is crucial for national policy and support systems.