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 extract, but because of its potential toxicity, its use is restricted to patients who do not respond to treatment with safer drugs such as dichlorophen, niclosamide, or quinacrine. [G. aspidion, a little shield, dim. of aspis, shield]

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as·pid·i·um as-'pid-ē-əm, əs- n, pl -ia -ē-ə a drug consisting of the rhizome and stipes esp. of the male fern used as the oleoresinous extract for the expulsion of tapeworms

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As·pid·i·um (as-pidґe-əm) [L., from Gr. aspidion little shield] Dryopteris.

Medical dictionary. 2011.

Look at other dictionaries:

  • aspidium — [aspidjɔm] n. m. ÉTYM. 1866, Larousse, aspidie; 1846, Bescherelle, aspidion; 1834, Landais; lat. sav. dû à Swartz, du grec aspidion « petit bouclier », à cause de la forme de l induvie recouvrant les sores. ❖ ♦ Bot. Dans certaines classifications …   Encyclopédie Universelle

  • Aspidĭum — (A. Sw., Schildfarren), Gattung Farrenkräuter, geschleiert (Polypodiaceae Polypodieae); Arten: A. oreopteris, dilatatum, in Wäldern; A. aculeatum, in Berghölzern; A. tbelypteris, in Sümpfen; Filix femina, in feuchten Gegenden; A. fragile. an… …   Pierer's Universal-Lexikon

  • Aspidĭum — Swartz (Schildfarn), Farngattung aus der Familie der Polypodiazeen, über die ganze Erde verbreitete Gewächse mit meist gedrungenem, stockartigem Rhizom, ein und mehrfach gefiederten Wedeln und auf dem Rücken der Nerven stehenden Fruchthäuschen… …   Meyers Großes Konversations-Lexikon

  • Aspidium — Aspidĭum Sw., Schildfarn, Pflanzengattg. der Polypodiazeen, viele Arten Zierpflanzen. Das Extrakt des Wurzelstockes (Johanniswurzel, Teufelsklaue) des in Wäldern gemeinen A. filix mas Sw. (männlichen Tüpfel oder Wurmfarns [Abb. 128])… …   Kleines Konversations-Lexikon

  • aspidium — I. aˈspidēəm Etymology: New Latin, from Greek aspidion small shield, diminutive of aspid , aspis synonym of dryopteris II. noun Etymology: New Latin, from …   Useful english dictionary

  • 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 — ► BOTÁNICA Género de helechos, entre ellos el helecho macho (A. filix mas) …   Enciclopedia Universal

  • aspidium — as·pid·i·um …   English syllables

  • ASPIDIUM FILIX MAS — ASPIDIUM FILIX MAS, см. Папоротник …   Большая медицинская энциклопедия

  • Aspidium athamanticum — Male Male, a. [F. m[^a]le, OF. masle, mascle, fr. L. masculus male, masculine, dim. of mas a male; possibly akin to E. man. Cf. {Masculine}, {Marry}, v. t.] 1. Of or pertaining to the sex that begets or procreates young, or (in a wider sense) to… …   The Collaborative International Dictionary of English

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