| 释义 |
stele
I. \ˈstēl\ noun
(-s)
Etymology: Middle English — more at steal
: handle, shaft; especially : the wooden shaft body of an arrow
II. \“ also ˈstēlē\ noun
(-s)
Etymology: New Latin, from Greek stēlē stela, boundary post or pillar — more at stela
: the usually cylindrical central portion of the axis of a vascular plant that consists of vascular tissue surrounded by a pericycle and often enclosing a central pith and that is in turn enclosed by cortex and in later life by a cork layer and other tissues of which all or part may be sloughed off with age — called also vascular cylinder; see actinostele, dictyostele, eustele, meristele, polystele, protostele, siphonostele, solenostele |