植物生长素一种调节多种功能，包括细胞伸长的植物激素

Any of several plant hormones that regulate various functions, including cell elongation.

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

Progressive degeneration of an organ or tissue caused by loss of cells.

细胞分类学在细胞结构和功能基础上的，特别是在染色体的结构和数量上的微生物的分类

The classification of organisms based on cellular structure and function, especially on the structure and number of chromosomes.

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

Gradual deterioration of specific tissues, cells, or organs with corresponding impairment or loss of function, caused by injury, disease, or aging.