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Pronunciation: o-krom'e-ter

Definition: An instrument for determining the capillary blood pressure; one of two adjacent fingers is compressed by a rubber balloon until blanching of the skin occurs, after which the force necessary to accomplish this color change is read in millimeters of mercury.

[G. ochros, pale yellow, + metron, measure]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.