This extracellular matrix stuff is quite exciting. They've actually managed to reconstitute entire organs (but are of course still a long way from doing it re

This extracellular matrix stuff is quite exciting. They've actually managed to reconstitute entire organs (but are of course still a long way from doing it reliably for humans): http://www1.umn.edu/umnnews/Feature_Stories/Researchers_create_a_new_heart_in_the_lab.html http://www1.umn.edu/umnnews/Feature_Stories/Researchers_crea...