eye dilation

The Plant Detective
5:00 am
Sat October 18, 2014

Atropine: Antidote To Disaster, Useful Drug...And Poison

Deadly nighshade (Atropa belladonna) (CC BY 2.0)
Credit Joozwa

The alkaloid atropine occurs naturally in plants like deadly nightshade, datura, and henbane. It can keep your heart rate steady after a heart attack, dilate your eyes - think belladonna - or dry up secretions during surgery. Soldiers carry atropine injectors because it's an antidote to nerve gas. But in high doses, it's hallucinogenic and poisonous. Remember the three fates of Greek mythology? One of them, Atropos, determined the mechanism of death for mortals. Atropine is named for her.

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a.k.a. Belladonna
10:11 pm
Fri November 1, 2013

Deadly Nightshade

November 2nd & 4th, 2013: Belladonna, or deadly nightshade, is reputed to have poisoned Emperor Augustus, but in spite of its name, the scopolamine nightshade contains is medicinal, inducing sleep and calming motion sickness. http://www.floradelaterre.com/

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