The chemical used by doctors to dilate the pu | vedclass

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(B) Atropine is an alkaloid obtained from $Atropa$ $belladonna$ and $Datura$ $stramonium$. It acts as a competitive antagonist of muscarinic acetylcho

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Atropine

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(B) Atropine is an alkaloid obtained from $Atropa$ $belladonna$ and $Datura$ $stramonium$. It acts as a competitive antagonist of muscarinic acetylcholine receptors. By blocking these receptors in the iris sphincter muscle,it prevents the pupil from constricting,thereby causing mydriasis (dilation of the pupil),which allows doctors to examine the retina and other internal structures of the eye.

The chemical used by doctors to dilate the pupil for examination is

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