How do stem cells change into specialised cells of a certain type?

Subject: How do stem cells change into specialised cells of a certain type?

Date: Tue Aug 21 09:35:37 2007
Posted by Sam
Grade level: 10-12 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Development
ID: 1187714137.Dv

Message:


I heard that stem cells specialise if they are in the presence of a tissue, 
they will change into cells of that tissue. If so how do they do this? For 
example how can stem cells taken from an embryo be used to grow heart cells and 
tissue?

Re: How do stem cells change into specialised cells of a certain type?

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