keywords BONE-MARROW Dermatology FIBROBLAST-GROWTH-FACTOR HAIR-FOLLICLES HUMAN ADIPOSE-TISSUE IN-VITRO Life Sciences & Biomedicine MARROW-DERIVED CELLS Materials Science Materials Science, Biomaterials SKIN SPLEEN COLONIES Science & Technology TRANSPLANTATION Technology UMBILICAL-CORD BLOOD adult embryonic stem cells umbilical cord wound healing