Within the lungs.
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in·tra·pul·mo·nary -'pu̇l-mə-.ner-ē, -'pəl- also in·tra·pul·mon·ic -pu̇l-'män-ik, -pəl- adj situated within, occurring within, or administered by entering the lungs <an \intrapulmonary foreign body> <\intrapulmonary pressure> <an \intrapulmonary injection>
in·tra·pul·mo·nar·i·ly -.pu̇l-mə-'ner-ə-.lē adv
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in·tra·pul·mo·nary (in″trə-poolґmo-nar″e) within a lung.Medical dictionary. 2011.