MUSCLES OF RESPIRATION. When the diaphragm contracts in inspiration, initially the lower ribs are fixed and the dome of the diaphragm descends, thus increasing the vertical diameter of thorax.
arrearage. 1  the state or condition of being in arrears. 2  Often, arrearages. arrears; amount or amounts overdue. 3  Archaic. a thing or part kept in reserve.
chorea. 1  Formal second-person singular (usted) present indicative form of chorear. 2  Third-person singular (Ã©l, ella, also used with usted) present indicative form of chorear. 3  Informal second-person singular (tÃº) affirmative imperative form of chorear.