tracheid 的定义
Botany.
- an elongated, tapering xylem cell having lignified, pitted, intact walls, adapted for conduction and support.Compare vessel.
更多tracheid例句
- As a rule buckling of a tracheid begins at the bordered pits which form places of least resistance in the walls.
- One to two large, simple pits to each tracheid on the radial walls of the cells of the pith ray.
- One or two large pits to each tracheid on the radial walls of each cell of the pith ray.