单词 | pleurenchyma |
释义 | ‖ pleurenchyma Bot.|plʊˈrɛŋkɪmə| Also in anglicized form pleuˈrenchym. [mod.L., f. Gr. πλευρόν rib, πλευρά side + ἔγχυµα infusion, after parenchyma, etc.] ‘The woody tissue, consisting of tough slender tubes, out of which the woody parts are mainly formed’ (Treas. Bot.). Hence pleurenchymatous |-ɛŋˈkɪmətəs| a., of the nature of pleurenchyma.
1842Willshire in Ann. Nat. Hist. IX. 85 The long pleurenchymatous cells surrounding the first-formed vascular bundles are carried along with the latter to the centre of the plant. 1848Lindley Introd. Bot. (ed. 4) II. 173 Pleurenchym is apparently destined for the conveyance of fluid upwards or downwards,..and for giving firmness and elasticity to every part. 1876Encycl. Brit. IV. 85/2 Under the term pleurenchyma is included tissue composed of such elongated prosenchymatous, flexible, thickened cells, as are found in the bast or phloëm layers of ordinary trees. |

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