n. 1.退步；恶化。 2.颓废，堕落。 3.【生理】变性，变质。 4.【生物学】简并，退化(病)。 5.【物理学】退化，简并化。
passing from a more complex to a simpler biological form 同义词：retrogression,
the process of declining from a higher to a lower level of effective power or vitality or essential quality 同义词：devolution,
the state of being degenerate in mental or moral qualities 同义词：degeneracy, decadence, decadency,
The idea of degeneration goes back to the 18th century, and had significant influence on science, art and politics from the 1850s to the 1950s. The social theory developed consequently from Charles Darwin's Theory of Evolution.
例句与用法
1.
Malignant sarcomatous degeneration is present . 肿瘤有肉瘤样恶变。
2.
This is a late change in the degeneration of cells . 这是细胞衰退的晚期变化。
3.
Histopathologically, the basic change is cell degeneration . 病理组织学检查，基本变化是细胞变性。
4.
Aging is accompanied by a slow degeneration of his mental faculties . 他随着年纪增长，智力逐渐衰退。
5.
The most striking change in the tubules is hydropic degeneration of the epithelium . 肾小管的常见病就是上皮细胞的水肿变形。
6.
Inadequate cell nutrition around vessels causes degeneration of tunica adventitia . 血管周围细胞的营养不足，引起外膜的变性。
7.
The degeneration of mitochondria is one of the earliest events in pollen abortion . 线粒体的退化是花粉败育中最早发生的现象之一。
8.
Peripheral neuropathy also occurs with demyelization and degeneration of the axis cylinder . 随着骨髓的枢椎管的再生作用也产生末梢神经病。
9.
An overload of ethanol over a long period of time produces fatty liver, a degeneration of liver tissue . 过量的乙醇，经长时间积累，将使肝组织退化而产生脂肪肝。
10.
The degeneration of regenerative gene is exaggerated 更新基因的退步夸大了。
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