Centrifugal Developing from the center outwards so the youngest structures are at the outer edge.
Centrifugal Developing from the center outwards so the youngest structures are at the outer edge.
离心的：从中央向外的一种发育方式，新生的结构在外方。
Centrifugal Developing from the center outwards so the youngest structures are at the outer edge.
离心的：从中央向外的一种发育方式，新生的结构在外方。