| 释义 |
meristele Bot.|mɛrɪˈstiːl, -ˈstiːliː|
[f. Gr. µερίς part + stele.]
A strand of vascular tissue made up of xylem surrounded by phloem. Hence meriˈstelic a.
1894S. H. Vines Student's Text-bk. Bot. I. 153 When the stem is monostelic, each leaf receives a portion, termed a meristele, of the stele of the stem. 1902A. G. Tansley in Encycl. Brit. XXV. 413/1 Such a leaf-bundle contains parts of all the tissues of the stele, and is hence called a meristele. Ibid. 414/2 (caption) Meristelic arc of collateral bundles, united by conjunctive. 1911[see dictyostele]. 1956Nature 4 Feb. 218/1 There is a reduction in the number of meristeles in the axis and in the leaves [of Dryopteris aristata under conditions of starvation]. 1964A. J. Brook Living Plant xxxv. 441 Each vascular strand or meristele, consists of a central core of xylem surrounded by a ring of phloem. |