1.【动】体节,分裂片
2.同“metamer”
1.Same as metamer
1.In the embryo an undifferentiated mesodermal component of an early trunk or tail segment or metamere, derived from paraxial mesoderm.
在胚胎时,一个无法区别的中胚层组成一个早期躯干、或尾部片段或体节,衍生自轴旁的中胚层。
2.Theory of locomotory origin of metamere
体节运动起源说