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Medical Definition of Exploring needle
1. A strong needle with a longitudinal groove, which is thrust into a tumour or cavity to determine the presence of fluid, the latter escaping externally along the groove. (05 Mar 2000)
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1. A strong needle with a longitudinal groove, which is thrust into a tumour or cavity to determine the presence of fluid, the latter escaping externally along the groove. (05 Mar 2000)