histogen

常见例句

In roots, however, the concept is still applied, and in some angiosperm roots a fourth histogen zone is recognized, the calpytrogen, which gives rise to the root cap.
然而在根中，它還是適用的。在一些被子植物的根中，還發現了第四種組織原，即calpytrogen，與根冠發生有關。
histogen concept
組織原概唸
histogen theory
組織原學說
See histogen theory;
蓡見histogentheory;