ra·chis /ˈrekəs, ˈræ-/
脊椎,脊柱,花軸
Ra·chis n.; pl. E. Rachises L. Rachides [Written also rhachis.]
1. Anat. The spine; the vertebral column.
2. Bot. & Zool. Same as Rhachis.
◄ ►
rachis
n 1: axis of a compound leaf or compound inflorescence
2: the series of vertebrae forming the axis of the skeleton and
protecting the spinal cord; "the fall broke his back"
[syn: spinal column, vertebral column, spine, backbone,
back]
[also: rhachises (pl)]