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Healing (literally meaning ''to make whole''〔Oxford English Dictionary〕) is the process of the restoration of health to an unbalanced, diseased or damaged organism. With physical damage or disease suffered by an organism, healing involves the repair of living tissue, organs and the biological system as a whole and resumption of normal functioning. It is the process by which the cells in the body regenerate and repair to reduce the size of a damaged or necrotic area and replace it with new living tissue. The replacement can happen in two ways: by ''regeneration'' in which the necrotic cells are replaced by new cells that form similar tissue as was originally there; or by ''repair'' in which injured tissue is replaced with scar tissue. Most organs will heal using a mixture of both mechanisms. It is also referred to in the context of the grieving process. In psychiatry and psychology, healing is the process by which neuroses and psychoses are resolved to the degree that the client is able to lead a normal or fulfilling existence without being overwhelmed by psychopathological phenomena. This process may involve psychotherapy, pharmaceutical treatment and increasingly traditional spiritual approaches. ==Regeneration== In order for an injury to be healed by regeneration, the cell type that was destroyed must be able to replicate. Cells also need a collagen framework along which to grow. Alongside most cells there is either a basement membrane or a collagenous network made by fibroblasts that will guide the cells' growth. Since ischaemia and most toxins do not destroy collagen, it will continue to exist even when the cells around it are dead. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Healing」の詳細全文を読む スポンサード リンク
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