Portable device for vaginal thermal conductance studies
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abstract
Design and development of a portable and self contained vaginal probe, consisting of an acetone filled silver cylinder attached to a pressure gauge, is described. Qualitative changes in vaginal thermal conductance were inferred from rates of thermal expansion of precooled acetone measured as a pressure rise. Administration of 10 mg estradiol 17 i.v. to ovariectomized heifers resulted in significant increases in rate of thermal expansion.