PATHOLOGY

Detailed explanation-1: -True regeneration, in which new cells replace damaged or dead cells such that the tissue is restored to its original state, occurs infrequently in humans.

Detailed explanation-2: -When cells become damaged or die the body makes new cells to replace them. This process is called cell division. One cell doubles by dividing into two. Two cells become four and so on.

Detailed explanation-3: -Regeneration is used to refer to the complete replacement of damaged tissue with new tissue not associated with scar tissue, while repair is used to refer to the reestablishment of tissue continuity.

Detailed explanation-4: -Regeneration is the natural process of replacing or restoring damaged or missing cells, tissues, organs, and even entire body parts to full function in plants and animals.

Detailed explanation-5: -Tissue repair is defined as the restoration of tissue architecture and function following an injury. In toxicant-induced injury, tissue repair plays a primary role in determining whether the patient will recover from injury, or whether the injury will progress and lead to death.