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Medical Definition of Ampullula
1. A circumscribed dilation of any minute lymphatic or blood vessel or duct. Origin: Mod. L. Dim. Of L. Ampulla (05 Mar 2000)
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1. A circumscribed dilation of any minute lymphatic or blood vessel or duct. Origin: Mod. L. Dim. Of L. Ampulla (05 Mar 2000)