title: [Preliminary report on an unexpected effect of an extract from Dryopteris filix mas (author's transl)].
abstract: In male mice and rats, one drop of an extract from Dryopteris filix mas, administered orally pure or suspended in sunflower-seed oil, caused a spectacular enlargement of the penis. This unexpected effect cannot be explained so far and will have to be elucidated by further experiments.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D006984:Hypertrophy / Q000139:chemically induced; D008297:Male; D051379:Mice; D010409:Penile Diseases / Q000139:chemically induced*; D010936:Plant Extracts / Q000009:adverse effects; D010946:Plants, Medicinal / Q000009:adverse effects*; D051381:Rats
chemical_list: D010936:Plant Extracts
vernacular_title: Vorläufige Mitteilung über die Wirkung von Extractum Dryopteris filix mas