Medical Dictionary
paracentesis
noun para·cen·te·sis \ˌpar-ə-(ˌ)sen-ˈtē-səs\
plural para·cen·te·ses \-ˌsēz\
Medical Definition of PARACENTESIS
: a surgical puncture of a bodily cavity (as of the abdomen) with a trocar, aspirator, or other instrument usually to draw off an abnormal effusion for diagnostic or therapeutic purposes
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