circular folds of small intestine

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Related to valvulae conniventes: plicae

cir·cu·lar folds of small intestine

[TA]
the numerous folds of the mucous membrane of the small intestine, running transversely for about two thirds of the circumference of the gut.

cir·cu·lar folds of small in·tes·tine

(sĭr'kyū-lăr fōldz smawl in-tes'tin) [TA]
The numerous folds of the mucous membrane of the small intestine, running transversely for about two thirds of the circumference of the gut.
Synonym(s): plicae circulares intestini tenuis [TA] , Kerckring folds, Kerckring valves.
References in periodicals archive ?
The 'keyboard sign' produced by the valvulae conniventes is further supportive evidence.
This sign is seen on plain films or MDCT images and represents adjacent, thickened folds with sharp demarcation and crowding of the valvulae conniventes (Figure 11).
Fluoroscopic examinations performed with high-density oral contrast material in patients with GVHD of the GI tract may demonstrate marked fold thickening, luminal narrowing, separation of folds, and ultimately complete effacement of the valvulae conniventes.