| 释义 |
‖ sclerenchyma|sklɪəˈrɛŋkɪmə|
Also anglicized scleˈrenchym.
[mod.L., f. Gr. σκληρ-ός hard + ἔγχυµα an infusion, after parenchyma.]
1. Zool. The hard substance of the calcareous skeleton of sclerodermic corals.
1861J. R. Greene Cœlent. 161 The ‘sclerenchyma’ or coral tissue.
2. Bot. (See quot. 1900.)
1875Bennett & Dyer tr. Sach's Bot. 106 The sclerenchyma in the carpel of stone-fruits (the tissue of the stone in Prunus, Cocos, &c.) forms closed massive layers. 1881Encycl. Brit. XII. 15/2 De Bary includes under the name of sclerenchyma all the hard thickened cells of plants, whether long or short, which have become greatly thickened, and whose cavity is nearly if not quite obliterated. 1883Huxley Pract. Biol. 57 The dark-brown bands..consist of cells which are so much elongated as almost to deserve the name of fibres and constitute what is termed sclerenchyma. 1900B. D. Jackson Gloss. Bot. Terms, Sclerenchyma, (1) formerly applied to stone-cells, sclereids; (2) afterwards proposed for bast or liber cells, which are immensely thickened, with their protoplasm lost.
attrib.1881Encycl. Brit. XII. 16/1 The wall of the sclerenchym fibre often exhibits peculiar split-like pitted markings. 1882Bower in Q. Jrnl. Microsc. Sci. XXII. 287 Long unbranched sclerenchyma fibres with smooth walls. |