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Definition of Decubitus

Decubitus: Lying down. A decubitus ulcer is a bed sore, the consequence of lying or sitting in one position too long. The Latin "decubitus" (meaning lying down) is related to "cubitum" (the elbow) reflecting the fact the Romans habitually rested on their elbows when they reclined.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=20745
Last Editorial Review: 9/20/2012

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