uncinate process

noun

: a hooklike body part: as

a

: an irregular downwardly and backwardly directed process of each lateral mass of the ethmoid bone that articulates with the inferior nasal conchae

b

: 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 margin

c

: the portion of the pancreas that wraps behind the superior mesenteric artery and superior mesenteric vein