male fern
male fern
male fern
male′ fern′
n.
| Noun | 1. |  male fern - fern of North America and Europe whose rhizomes and stalks yield an oleoresin used to expel tapeworms |
| 单词 | male fern | |||
| 释义 | male fernmale fernmale fernmale′ fern′n.
male fernmale fern:see fernfern,any plant of the division Polypodiophyta. Fern species, numbering several thousand, are found throughout the world but are especially abundant in tropical rain forests. The ferns and their relatives (e.g. ..... Click the link for more information. . Male Fern(Dryopteris filix-mas), an herbaceous perennial plant of the family Aspidiaceae. The leaf blades are twice pinnate, and the petiole and the rhizome have large, dark scales. The sori have budlike indusia, which are distributed on the lateral veins of the leaf blade segments. The male fern grows in shaded areas under shrubs in the forest zone of Eurasia and North America. An extract from the rhizome is used as a vermifuge for tapeworms and pinworms. The rhizomes also contain substances (by-products of filicinic acid) that cause muscular paralysis of intestinal parasites. male fernmale fernmale fern
Synonyms for male fern
|
|||
| 随便看 |
|
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。