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 (ăt′rə-pēn′, -pĭn) also at·ro·pin (-pĭn)
A poisonous, bitter, crystalline alkaloid, C17H23NO3, obtained from belladonna and other related plants. It is used to dilate the pupils of the eyes and as an antispasmodic.

[From New Latin Atropa, genus name of belladonna, from Greek Atropos, Atropos; see Atropos.]


(ˈætrəˌpiːn; -pɪn) ,




(Pharmacology) a poisonous alkaloid obtained from deadly nightshade, having an inhibitory action on the autonomic nervous system. It is used medicinally in pre-anaesthetic medication, to speed a slow heart rate, and as an emergency first-aid counter to exposure to chemical warfare nerve agents. Formula: C17H23NO3
[C19: from New Latin atropa deadly nightshade, from Greek atropos unchangeable, inflexible; see Atropos]


(ˈæ trəˌpin, -pɪn)

a poisonous crystalline alkaloid, C17H23NO3, obtained from belladonna or other nightshade plants, used chiefly to relieve spasms or, topically, to dilate the pupil of the eye.
[1830–40; < New Latin Atrop(a) belladonna genus < Greek átropos not turnip, inflexible; see a-6, -trope]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.atropine - a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
antidote, counterpoison - a remedy that stops or controls the effects of a poison
antispasmodic, antispasmodic agent, spasmolytic - a drug used to relieve or prevent spasms (especially of the smooth muscles)
belladonna - an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally
mydriatic, mydriatic drug - a drug that causes the pupil of the eye to dilate; used to aid eye examinations
alkaloid - natural bases containing nitrogen found in plants
poison, poisonous substance, toxicant - any substance that causes injury or illness or death of a living organism


n atropina
References in periodicals archive ?
Mae pedair o aeron y codwarth yn ddigon i ladd plentyn, a'r atropin sydd yn yr aeron sy'n lladd.
Hastaya atropin uygulanmasi sonrasi kalp atim hizi yukseldi.
Iyi goren goze her gun veya haftada 2-3 gun bir damla %1 atropin damlatilarak gormenin bulaniklastirilmasi ile ambliyopisi olan gozun kullanilmaya zorlanmasi farmakolojik penalizasyon olarak adlandirilir.
Atropin was administered in one patient who had bradicardia.
Medication Ward/unit Acetylcysteine 200 mg/10 mL Pediatric Aminophyline 250 mg Emergency, tuberculosis ICU Atracurium 50 mg/5 mL Interventional bronchoscopy Atropin 0.
Hastanin kardiyak fonksiyonlari, hipotansiyon, koroner darliklar gibi faktorler etkili olmakla birlikte yetiskinlerde 40 atim/dk'nin altinda atropin uygulanmalidir.