As mouth cancer can strike in a number of places, including the lips, tongue, gums and cheek, and given that early detection is so crucial for survival, itâs extremely important that we all know what to look out for. 1  Ulcers which do not heal in three weeks.  Red and white patches in the mouth.
pluÂ·ripÂ·oÂ·tent. adj. Relating to or being a cell that is capable of differentiating into cells of any type of tissue except placental tissue.
Most scientists use the term pluripotent to describe stem cells that can give rise to cells derived from all three embryonic germ layersâ mesoderm, endoderm, and ectoderm. These three germ layers are the embryonic source of all cells of the body (see Figure 1.1. Differentiation of Human Tissues).