Credit: FRANCIS LEROY & CLEMENT DOMERGUE, BIOCOSMOS/SCIENCE PHOTO LIBRARY

Caption: White blood cell movement. Animation showing a white blood cell moving from a blood vessel into the surrounding tissue, a process known as extravasation or diapedesis. The process starts with the white blood cell rolling along the endothelial cells that line the blood vessel. This step is mediated by receptors on the endothelial cells that attach to the white blood cell, slowing it down. When it reaches a gap between endothelial cells the white blood cell extends psuedopodia and squeezes between the cells and into the interstitial fluid. This is characteristic of the inflammatory response, which occurs at the site of an injury. The cells leave the blood for the surrounding tissues so that they can destroy any invading organisms that may be present.

Release details: Model release not required. Property release not required.

Keywords: animated, animation, biological, biology, black background, blood vessel, capillary, diapedesis, endothelial, endothelial tissue, endothelium, extravasate, extravasation, immune response, immune system, immunological, immunology, inflammation, inflammatory response, intercellular junction, leucocyte, leukocyte, migration, movement, rolling adhesion, transmigration, vascular, white blood cell

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White blood cell movement, animation

K004/3669 Rights Managed

Downloadable master

Duration: 00:00:30

Frame size: 768x576

Frame rate: 30

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 166.2M

Original

Capture format: QuickTime Animation

Frame size: 833x622

Codec: H.264

Please contact Science Photo Library if you require the original, or other formats.

 

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