| 单词 |
haustorium |
| 释义 |
‖ haustorium Bot.|hɔːˈstɔərɪəm| Pl. -ia. [mod.L., f. L. haustor a drawer, drainer, f. haurīre, haust- to draw, drain: see -orium.] A small sucker of a parasitic plant, which penetrates the tissues of the host; a specialized branch or organ of the mycelium of a fungus, whereby it attaches itself to its host.
1875Bennett & Dyer tr. Sachs' Bot. 733 These haustoria and adhesive discs.. are altogether indispensable for the life of the plant; for Cuscuta is nourished exclusively by the haustoria which penetrate into the tissue of the host. 1882Vines Sachs' Bot. 311 The ramified mycelial filaments extend over the epidermis, crossing and re-crossing one another, and throw out haustoria at numerous points which penetrate into the cells of the epidermis. |

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