calamus

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cal·a·mus

(kal'ă-mŭs),
1. The dried, unpeeled rhizome of Acorus calamus (family Araceae), cultivated in Myanmar (Burma) and Sri Lanka, a carminative and anthelmintic.
2. A reed-shaped structure.
[L. reed, a pen]
Farlex Partner Medical Dictionary © Farlex 2012

calamus

(kăl′ə-məs)
n. pl. cala·mi (-mī′)
1.
b. The aromatic rhizome of the sweet flag, used for medicinal purposes and yielding an oil used in perfumery.
2. Any of various chiefly tropical Asian climbing palms of the genus Calamus, having strong flexible stems used as a source of rattan.
3. See quill.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

sweet flag

A perennial herb, the rhizone of which contains mucilage, sesquiterpenes and volatile oils (azulene, camphor, cineole, eugenol, pinene and others); it is carminative, spasmolytic and mildly sedative.

Chinese medicine
In traditional Chinese medicine, sweet flag has been used for deafness, seizures and vertigo.

Herbal medicine
In Western herbal medicine, sweet flag has been used for fever, gastrointestinal complaints (dyspepsia and flatulence), menstrual disorders, toothache and tobacco addiction.
 
Toxicity
Aserone, one of sweet flag’s volatile oils, is carcinogenic; the FDA has classified sweet flag as “unsafe”.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

cal·a·mus

(kal'ă-mŭs)
A reed-shaped structure.
[L. reed, a pen]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

calamus

  1. the quill of a feather.
  2. any hollow, nodeless stem.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Propertius 3.3, where he describes his own initiation on Helicon involving a cave decorated with, among other things, a day portrait of Silenus and calami (the same instruments that Linus will hand over to Gallus).
The deep-sea and high-latitude species Voss (1988) assigned to Eledoninae (excluding species of Eledone that could not be included) score positively on PC3, indicative of relatively long calami, and near zero on PC2.
If species that produced wide spermatophores had long ligulae or calami, the plot would show a U-shape, which it does not.
Hanlon and Messenger (1996) could not document body patterning complexity among octopuses from deep-sea and high-latitude environments where visual predators are thought to be rare, if ligula and calamus lengths reflect the level of predation by visual predators, octopuses from these areas are predicted to have long ligulae, calami, or both.