plethysmograph

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plethysmograph

[plə′thiz·mə‚graf]
(medicine)
An instrument for measuring changes in the size of a part of the body by measuring changes in the amount of blood in that part.
References in periodicals archive ?
A short description of operation of the photoelectric plethysmograph has been provided by Challoner and Ramsay.
Pulmonary function testing (PFT) of each subject was determined by a pressure / volume (flow) plethysmograph (Autobox 6200, SensorMedics).
Penile plethysmographs are primarily used by experts to profile sex abusers.
Animals were continuously exposed to CAPs or FA in a single-animal plethysmograph for 5 hr/day, at the same time on 10 exposure days per animal.
Well, plethysmographs can measure physical changes in tiny, otherwise undetectable increments, but in this case they didn't have to.
After 60-100 min of inhalation, depending on the anticipated deposited NP dose, rats were removed from their plethysmographs, extubated, and received an anesthesia antidote by a subcutaneous injection of a mixture of atipamezol (0.
In each experiment, a naive group of 4 male BALB/c mice (M&B A/S, Ry, Denmark), maintained under standard conditions, was exposed, head only, in separate body plethysmographs.