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, in biology, the process by which some organisms replace or restore lost or amputated body parts. 1  Organisms differ markedly in their ability to regenerate parts. 2  Regeneration, as one aspect of the general process of growth, is a primary attribute of all living systems.