catagenetic meaning in Chinese

退化的

Compared with the stage of mature , allof genital tubes changed much at the stages of immature and catagenetic . epididymal duct disappeared . the other tubes got smaller
在性未成熟时期和退化时期，附皋管消失，其他各管道变小，勃膜上皮不形成突起。
The structure of oviduct the morphovar of oviduct was different evidently at the immature , spawing and catagenetic stages . there were the characteristic of histological structure of oviduct . 1
结果如下：一)输卵管的基本组织结构和发育变化输卵管在性未成熟期，性成熟后的产卵期及退化期的发育形态有明显地区别。
It ' s protected as ii wildlife in china . in this research , the changes of the structure of genitial tube and spermary were studied with the method of histologicial technology at the immature , spawning and catagenetic stages mandrias davidianus
许多学者围绕大鲵的人工养殖和繁殖进行了大量地调查和研究工作，但对输卵管，精巢以及雄性生殖管道的基本组织结构和发育变化尚未见报道。