- pyrethrum extract
- [USP] a mixture of pyrethrin I and pyrethrin II, used as a pediculicide.
Medical dictionary. 2011.
pyrethrum extract
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pyrethrum extract — noun see pyrethrum 2b … Useful english dictionary
Pyrethrine — sind eine Gruppe von Naturstoffen, die für die insektizide Wirkung von Pyrethrum verantwortlich sind. Sie werden von bestimmten Chrysanthemen Arten gebildet. Pyrethrine werden aus Pyrethrum Extrakt isoliert und als Insektizide für Pflanzenschutz … Deutsch Wikipedia
pyrethrin — py·re·thrin pī rē thrən, reth rən n either of two oily liquid esters C21H28O3 and C22H28O5 that have insecticidal properties and are the active components of pyrethrum * * * py·reth·rin (pi rethґrin) either of two esters, pyrethrin I and… … Medical dictionary
Piretrina — Saltar a navegación, búsqueda Figura 1. Estructura química de las piretrinas. * piretrina I: R = CH3 * piretrina II: R = CO2CH3 Las piretrinas (figura 1) son una mezcla de compuestos orgánicos que se encuentran de modo natural en las flores de… … Wikipedia Español
Organic farming — Agriculture General … Wikipedia
History of malaria — The history of malaria predates humanity, as this ancient disease evolved before humans did. Malaria, a widespread and potentially lethal infectious disease, has afflicted people for much of human history, and has affected settlement patterns.… … Wikipedia
Mosquito coil — is mosquito repelling incense, usually shaped into a spiral, and typically made from a dried paste of pyrethrum powder. The coil is usually held at the center of the spiral, suspending it in the air, or wedged by two pieces of fireproof nettings… … Wikipedia
Insect repellent — Mosquito on a bottle of herbal mosquito repellent. An insect repellent is a substance applied to skin, clothing, or other surfaces which discourages insects (and arthropods in general) from landing or climbing on that surface. There are also… … Wikipedia
Filzläuse — Filzlaus Filzlaus Systematik Klasse: Insekten (Insecta) Ordnung … Deutsch Wikipedia
Pediculosis pubis — Filzlaus Filzlaus Systematik Klasse: Insekten (Insecta) Ordnung … Deutsch Wikipedia
