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]

calamus

/cal·a·mus/ (kal´ah-mus) a reed or reedlike structure.
calamus scripto´rius  the lowest portion of the floor of the fourth ventricle, situated between the restiform bodies.

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.

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”.

cal·a·mus

(kal'ă-mŭs)
A reed-shaped structure.
[L. reed, a pen]

calamus

  1. the quill of a feather.
  2. any hollow, nodeless stem.

calamus

in the shape of a reed or pen.

calamus scriptorius
reed-shaped portion of the floor of the fourth ventricle of the brain situated between the restiform bodies.
References in periodicals archive ?
Aqui podemos apreciar la existencia del lapsus calami, es decir, el sujeto quiere escribir un abeto pero escribe un cipres.
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.
Long calami characterize most species of Voss's (1988) Eledoninae (except Eledone), which are Antarctic and deep-sea in distribution; species of the deep-sea Graneledoninae; specimens of O.