Within the abdomen.
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in·tra-ab·dom·i·nal .in-trə-ab-'däm-ən-əl, .in-(.)trä-, -əb-, -'däm-nəl adj situated within, occurring within, or administered by entering the abdomen <\intra-abdominal pressure> <an \intra-abdominal injection>
in·tra-ab·dom·i·nal·ly -ē adv
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in·tra-ab·dom·i·nal (in″trə-ab-domґĭ-nəl) within the abdomen.Medical dictionary. 2011.