释义 |
seg·men·ta·tion \ˌsegmən.ˈtāshən, -gˌmen-\ noun (-s) Etymology: segment (II) + -ation 1. : the act or process of dividing into segments; especially : the formation of many cells from a single cell (as in a developing egg) — compare cleavage 2. : annular contraction of smooth muscle (as of the intestine) that seems to cut the part affected into segments — compare peristalsis |