Trigger finger more commonly affects your thumb or your middle or ring finger. More than one finger may be affected at a time, and both hands might be involved. Triggering is usually more pronounced in the morning, while firmly grasping an object or when straightening your finger.
Medical Definition of regeneration. 1  1: an act or the process of regenerating : the state of being regenerated. 2  2: the renewal, regrowth, or restoration of a body or a bodily part, tissue, or substance after injury or as a normal bodily process continual regeneration of epithelial cells regeneration of the uterine liningâcompare regulation 2a.
Regeneration and humans. Regeneration means the regrowth of a damaged or missing organ part from the remaining tissue. As adults, humans can regenerate some organs, such as the liver. If part of the liver is lost by disease or injury, the liver grows back to its original size, though not its original shape.And our skin is constantly being renewed and repaired.n these animals, each tissue â such as muscle, nerve, or skin â has its own set of stem cells that just make the different types of cells in that particular tissue. In other words, a muscle stem cell cannot make skin and skin stem cells canât make muscle.