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Cytotoxic T Cell in Action

Topic
  • Cell Biology
  • Cell Communication
  • Anatomy & Physiology
  • Immune System
Resource Type
  • Videos
  • Clips
Level
High School — GeneralHigh School — AP/IBCollege
Duration
00:01:17
Favorited By
8 Users
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Description

This video shows real footage of a cytotoxic T cell killing a cell infected by a pathogen.

When a cytotoxic T cell finds an infected cell, it forms a connection to that cell called a cytoplasmic bridge. Through this bridge, the cytotoxic T cell delivers enzymes that create holes in the infected cell’s membrane, killing the cell. This video shows the process recorded by video microscopy.

This clip is from a 2007 Holiday Lecture Series, AIDS: Evolution of an Epidemic.

Details
Key Terms

CD8, cytotoxic T lymphocyte (CTL), granzyme, immune cell, serine esterase, white blood cell

Terms of Use

Please see the Terms of Use for information on how this resource can be used.

Version History
Date Published 02.06.07
Materials
Large (MOV) 10 MB
Large (WMV) 10 MB
Small (MOV) 2 MB
Small (WMV) 2 MB

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