aspidium oleoresin
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aspidium — n. [Gr. aspidion, a little shield] A drug used for the expulsion of tapeworms obtained from male Dryopteris filix mas ferns from which it is extracted as oleoresin of aspidium … Dictionary of invertebrate zoology
aspidium — The rhizomes and stipes of Dryopteris filix mus (European a. or male fern), or of Dryopteris marginalis (American a. or marginal fern, family Polypodiaceae); used in the treatment of tapeworm infestation, usually in the form of the oleoresin or… … Medical dictionary
oleoresin — 1. A compound of an essential oil and resin, present in certain plants. 2. A pharmaceutical preparation. See aspidium, capsicum, ginger. 3. SYN: balsam. * * * oleo·res·in .ō lē ō rez ən … Medical dictionary
male fern — noun fern of North America and Europe whose rhizomes and stalks yield an oleoresin used to expel tapeworms • Syn: ↑Dryopteris filix mas • Hypernyms: ↑wood fern, ↑wood fern, ↑woodfern * * * noun : a fern (Dryopteris fi … Useful english dictionary
male fern — n a fern (Dryopteris filix mas) of Europe and No. America producing an oleoresin that is used in expelling tapeworms see ASPIDIUM * * * male shield fern Dryopteris filix mas … Medical dictionary
