Phrenograph
Phrenograph (frē"no*grȧf) , noun
[Greek frh`n, freno`s, the midriff + -graph.]
(Physiology) An instrument for registering the movements of the diaphragm, or midriff, in respiration.
Phrenograph (frē"no*grȧf) , noun
[Greek frh`n, freno`s, the midriff + -graph.]