Medical Definition of uncinate process
: a hooklike body part: asa: an irregular downwardly and backwardly directed process of each lateral mass of the ethmoid bone that articulates with the inferior nasal conchaeb: a bony upward projection arising from each side of the upper surface of any of the cervical vertebrae numbered three to seven and forming a raised lateral marginc: the portion of the pancreas that wraps behind the superior mesenteric artery and superior mesenteric vein
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