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.
* CP SUPPORT ARREARAGES. The total amount of support monies past due and owing under a court order that have not been assigned to the State, i.e., the portion of the court ordered SUPPORT arrearages that has accrued AFTER the CP ceases to receive AFDC and/or IV-E payments. There are different categories of arrears.