单词 | sclerenchyma |
释义 | sclerenchyman. 1. Zoology. The hard substance of the calcareous skeleton of sclerodermic corals. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Anthozoa Actinozoa > member of > hard skeletal part > substance of sclerenchyma1861 1861 J. R. Greene Man. Animal Kingdom II. 161 The ‘sclerenchyma’ or coral tissue. 2. Botany. (See quot. 1900.) ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > [noun] > cell > types of > stone-cell or fibre fibre1663 sclerenchyma1875 stone cell1875 scleroblast1882 stone-element1884 sclereid1896 grit-cell1900 Malpighian cell1900 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 106 The sclerenchyma in the carpel of stone-fruits (the tissue of the stone in Prunus, Cocos, &c.) forms closed massive layers. 1881 Encycl. 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. 1883 T. H. Huxley & H. N. Martin Course Elem. 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. 1900 B. 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. This entry has not yet been fully updated (first published 1910; most recently modified version published online June 2021). < n.1861 |
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