In neurology of a neuron following damage.
A change in the structure of a cell or organ so that it no longer works properly.
Passage from a higher to a lower condition decay.
Physical and or mental decline that involves tissue and cellular changes and the loss of specialized function; the extreme result is death of the parts involved and loss of their function.
In medicine, a disease process causing deterioration in a body part with consequent loss of function. Degeneration also refers to deterioration in which cells are replaced by other cells, as in malignant tumors. Degeneration is also used in medicine to d escribe a general worsening of mental or physical qualities.
The deterioration and loss of specialized function of the cells of a tissue or organ. The changes may be caused by a defective blood supply or by disease. Degeneration may involve the deposition of calcium salts, fat, or fibrous tissue in the affected organ or tissue.
A change in structure or in chemical composition of a tissue or organ, by which its vitality is lowered or its function interfered with. Degeneration is of various kinds, the chief being fatty, where cells become invaded by fat globules; calcareous, where calcium is deposited in tissue so that it becomes chalky in consistency; and mucoid, where it becomes semi-liquefied.
Deterioration or impairment of an organ or part in the structure of cells and the substances of which they are a component; opposed to regeneration.
Degeneration refers to the physical and/or chemical changes occurring in cells, tissues, or organs that result in a decline in their efficiency. This process is commonly associated with aging and can also be attributed to disease processes. Other recognized causes of degeneration include injury, diminished blood supply, alcohol poisoning, or a diet lacking specific vitamins.
A transition from a more advanced form to a simpler one.
It can also signify a decline in an individual’s mental capacity, personality, or character.