baseline tonus

base·line to·nus

intrauterine pressure between contractions during labor.
References in periodicals archive ?
EO-21 increased baseline tonus while EO-13 provoked a decrease.
EO-13 Component Composition Retention Time (min) (% of total weight) bicyclogermacrene 16.29% 32.791 [beta]-phellandrene 15.42% 9.281 [beta]-caryophyllene 13.82% 28.848 [alpha]-pinene 9.87% 5.808 EO-21 Component Composition Retention Time (min) (% of total weight) spathulenol 18.32% 36.666 [beta]-caryophyllene 14.58% 28.774 caryophyllene oxide 8.54% 36.771 1,8-cineole 8.38% 9.271 Effects of EOCs on baseline tonus of isolated rat trachea
To our surprise, for the baseline tonus measured in rat isolated tracheal preparation, the two EO samples showed opposite effects.