hemlock

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co·ni·um

(kō-nē'ŭm),
The dried unripe fruit of Conium maculatum (family Umbelliferae), also known as spotted cowbane or spotted parsley; it has been used as a sedative, antispasmodic, and anodyne.
Synonym(s): hemlock
[L. fr. G. kōneion, hemlock]
Farlex Partner Medical Dictionary © Farlex 2012

hemlock

(hĕm′lŏk′)
n.
a. Any of several poisonous plants of the genera Conium and Cicuta of the parsley family, such as the poison hemlock.
b. A poison obtained from the poison hemlock.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Any of the poisonous herbs of the carrot family, especially Conium maculatum, but also Tsuga spp, which contain an alkaloid, conine, that evokes CNS hyperactivity, followed by medullary depression and respiratory failure
Management Activated charcoal
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

hemlock

Toxicology Any of the poisonous herbs of the carrot family, especially Conium maculatum, but also Tsuga spp, which contain an alkaloid, conine, that evokes CNS hyperactivity, followed by medullary depression and respiratory failure Treatment Activated charcoal
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.