Etymology: Gk, mesos + kolon, colon; L, nodus, knot
a node in one of three groups of superior mesenteric lymph glands, proliferating between the layers of the transverse mesocolon close to the transverse colon. They are best developed near the right and left colic flexures and receive afferents from the jejunum, ileum, cecum, vermiform appendix, ascending colon, and transverse colon. Their efferent vessels pass to the preaortic nodes. Compare mesenteric node.