Medical 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.
Last Editorial Review: 6/9/2016
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