| 释义 |
vacuole|ˈvækjuːəʊl|
[a. F. vacuole (Dujardin), f. L. vacu-us empty.]
1. A small cavity or vesicle in organic tissue or protoplasm, freq. containing some fluid.
a. Zool. and Anat.1853Ray Soc. Bot. & Physiol. Mem. 534 All these properties had already been observed by Dujardin;..the aqueous spaces or hollows he named ‘Vacuoles’, regarding them as the most characteristic feature of the substance. 1859Huxley Oceanic Hydrozoa 10 The structure of the villi and vacuoles in Athorybia. 1897Allbutt's Syst. Med. II. 224 Into the vacuoles or loculi of this net-work the serum exudes.
b. Bot.1875Darwin Insectiv. Plants xv. 351 Two or three vacuoles or small spheres appeared within some of the larger globules. 1885G. L. Goodale Physiol. Bot. (1892) 280 In numerous succulents the vacuoles of the assimilating cells frequently contain a thin mucus.
attrib.1882Vines tr. Sachs' Bot. 585 The centre of the sac is filled in the unripe seed with a clear vacuole-fluid.
2. An empty or open space (in a comet).
1881Science II. 317 In this envelope was a curious oval vacuole, behind the nucleus, but on the preceding side of the axis of the tail. |