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thoracentesis

tho·ra·cen·te·sis [ thàwrə sen tssiss ] (plural tho·ra·cen·te·ses [ thàwrə sen t sz ])


noun 
Definition:
 
surgical procedure for withdrawing fluid: a surgical procedure in which a needle is inserted through the chest wall in order to withdraw fluid, blood, or air

[Mid-19th century. <thoraco- + Greek kentēsis "pricking" < kentein "to prick"]
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