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.
History of human tissue regeneration. In humans with non-injured tissues, the tissue is naturally regenerated over time; by default these tissues have new cells available to replace expended cells. For example, the body regenerates a full bone within 10 years, while non-injured skin tissue is regenerated within two weeks.