degeneration

名词 degeneration:

1. the process of declining from a higher to a lower level of effective power or vitality or essential quality
   同义词：devolution
2. the state of being degenerate in mental or moral qualities
   同义词：degeneracy, decadence, decadency
3. passing from a more complex to a simpler biological form
   同义词：retrogression

1. Progressive degeneration of an organ or tissue caused by loss of cells.
   供氧障碍引起的细胞退化一个器官或组织由于失去细胞而功能退化
2. The state of being degraded; degeneration.
   降低，堕落被降低的状态; 衰退

de.gen.er.a.tion

n.（名词）
The process of degenerating.
衰退、堕落、蜕化的过程
The state of being degenerate.
衰退、堕落或蜕化的状态
Medicine Gradual deterioration of specific tissues, cells, or organs with corresponding impairment or loss of function, caused by injury, disease, or aging.
【医学】 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
Biology The evolutionary decline or loss of a function, characteristic, or structure in an organism or a species.
【生物学】 退化（作用）：一个生物体或物种的某种功能、特征或结构由于进化作用造成的衰退或丧失
Electronics Loss of or gain in power in an amplifier caused by unintentional negative feedback.
【电子学】 负反馈：由无意的负反馈引起的放大器中功率的丧失或获得