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Definition of Capsid

Capsid: The protein coat of a virus. The term capsid came in 1960 from the French capside, from the Latin capsa, case. See also: Nucleocapsid.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=24448
Last Editorial Review: 9/26/2003

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