The inference to stem cells has been found in ancient myths and the concept of stem cells
has existed in the fields of plant biology, developmental biology and embryology for …

54 SCIENTIFIC AMERICAN JULY 2006 are called cancer stem cells. But they are also quite
literally believed to have once been normal stem cells or their immature offspring that have …

Background: The origin, function and physiology of totipotent embryonic cells are configured
to construct organs and create cross-talk between cells for the biological and …

Stem cells are self-renewing multipotent progenitors with the broadest developmental
potential in a given tissue at a given time. Normal stem cells in the adult organism are …

The role of adult stem cells in tissue regeneration has attracted much interest because of its
enormous therapeutic potential. Adult stem cells reside in every tissue of the body and have …

Stem cell research is one of the new frontiers of medical science. Because of the unique self-
renewable ability and powerful potential to differentiate, stem cells can be viewed as the …

Basic and clinical research accomplished during the last few years on embryonic, fetal,
amniotic, umbilical cord blood, and adult stem cells has constituted a revolution in …

For their unique properties stem cells promise to be of universal use in clinical medicine,
especially in regeneration of many organs and tissues in the human body. This attractive …

Stem cells are undifferentiated cells found in the embryos and the later life stages of
animals, including humans. They are recognized by their dualistic nature: they either can …

While many theories have been proposed for the aging process, and many debates on the
matter of aging and the diseases of aging being either the result of the same or independent …