Plethysmograph

(definition) by Webster 1913 Wed Dec 22 1999 at 2:04:10

Pleth"ys*mo*graph (?), n. [Gr. an enlargement + -graph.] Physiol.

An instrument for determining and registering the variations in the size or volume of a limb, as the arm or leg, and hence the variations in the amount of blood in the limb.

-- Pleth`ys*mo*graph"ic (#), a.

 

© Webster 1913.

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