SNBAL-2 - S NBAL #2 1. Chemotaxis refers to the directional...

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SNBAL #2 1. Chemotaxis refers to the directional response organisms have due to chemicals in their environment. Positive chemotaxis occurs if the organism moves towards a higher chemical concentration, while negative chemotaxis occurs if the organism moves in reverse. This response is used by bacteria to find food, or escape poisons. In humans, one of the most important examples of chemotaxis is the movement of sperm towards the egg. In terms of pathophysiology, when the body senses an infection, chemotaxis occurs amongst the cells of the immune system. The chemotaxis causes lymphocytes to gather around the pathogen, causing inflammation. In the article, the authors suggested that TGF 3 promotes positive chemotaxis of the body cells towards the β joint implant. By doing so, the TGF 3 essentially causes the body to β adapt the joint implant as its own, and treat the implant like a preexisting body part. 2.
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This note was uploaded on 02/14/2011 for the course VTPP 434 taught by Professor Wasser during the Fall '10 term at Texas A&M.

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SNBAL-2 - S NBAL #2 1. Chemotaxis refers to the directional...

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