Gradual deterioration of specific tissues, cells, or organs with corresponding impairment or loss of function, caused by injury, disease, or aging.
变性特定的组织、细胞或器官随着受伤、疾病或年老而导致的相应的功能的削弱或丧失,而形成的逐渐的变质
A process, condition, or period of deterioration or decline, as in morals or art; decay.
堕落在道德或艺术方面变坏,或衰落的过程、条件、或期间; 衰败
Deterioration of intellectual faculties, such as memory, concentration, and judgment, resulting from an organic disease or a disorder of the brain. It is often accompanied by emotional disturbance and personality changes.