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Medical Definition of Frontonasal duct
1. The passage that leads downward from the frontal sinus to open into the ethmoidal infundibulum. (05 Mar 2000)
Lexicographical Neighbors of Frontonasal Duct
Other Resources:
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1. The passage that leads downward from the frontal sinus to open into the ethmoidal infundibulum. (05 Mar 2000)