rachis 的定义
plural ra·chis·es, rach·i·des [rak-i-deez, rey-ki-]. /ˈræk ɪˌdiz, ˈreɪ kɪ-/.
- Botany. the axis of an inflorescence when somewhat elongated, as in a raceme. the prolongation of the petiole along which the leaflets are disposed.any of various axial structures.
- Ornithology. the part of the shaft of a feather bearing the web.
- Anatomy. spinal column.
rachis 近义词
等同于 spine
rachis 的近义词 7 个
等同于 spinal column
等同于 spindle
更多rachis例句
- The pinnules are from a line to two lines long, and are adnate to the secondary rachis by a more or less decurrent base.
- The stipes is somewhat longer than the rachis, and it is of a whity-green colour.
- A simple inflorescence of flowers on pedicels of equal length arranged on a common, elongated axis (rachis).
- A simple inflorescence of sessile flowers arranged on a common, elongated axis (rachis).
- Under these conditions the midvein is called the rachis (a), and the divisions are called the pinn (b).