The technique of measuring minute changes in the volume of a part as a result of blood flow into or out of it. ... (05 Mar 2000) ... 
(mi″kro-pleth″is-mog´rә-fe) the recording of minute changes in the size of a part as produced by circulation of blood.
Type: Term Pronunciation: mī′krō-pleth′iz-mog′ră-fē Definitions: 1. The technique of measuring minute changes in the volume of a part as a result of blood flow into or out of it.