Failure of normal rotation.
Farlex Partner Medical Dictionary © Farlex 2012


(nŏn″rō-tā′shŭn) [″ + rotare, to turn]
Failure of a part or organ to rotate, esp. during embryological development.

nonrotation of the intestine

In embryonic development, failure of the gut to turn to its normal position, often reversing the location of the right and left sides of the bowel, changing the relationship of the superior mesenteric vessels, and leading to other anomalies, including polysplenia and/or aplasia of the uncinate process of the pancreas.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Malrotation develops when there is nonrotation or incomplete rotation of the midgut loop around the axis of the superior mesenteric artery.
Since the present physical model considers that the bars are rigid transversally, it may be concluded that, by blocking (nonrotation) the first bar, the second node located at its end would be blocked too at y = 0 as shown in Figure 4.
Mitchell [10] pointed out that the critical buckling load of the rotation drill string is 78% of that of the nonrotation drill string with ignoring the friction.
In right-sided paraduodenal hernia MDCT can show encapsulated loops laterally and inferiorly to the descending duodenum associated with a small bowel nonrotation; superior mesenteric vessels supply the herniated loops [7] (Figure 1).
Further research is needed to investigate the relationship between hip internal rotation and low back pain in athletes participating in nonrotation sports.
Drewes, H.: 2009, The actual plate kinematic and crustal deformation model APKIM2005 as basis for a nonrotation ITRF.
Specifically, the particular task performed by the hands (e.g., use of rotation versus nonrotation) alters within- and between-hand force coordination patterns.
A number of anomalies can occur when these rotations do not occur normally, including nonrotation, a spectrum of malrotation, and reverse rotation.
The urban development sector was also put in the dock for nonrotation of officials in Delhi Development Authority ( DDA) and Municipal Corporation of Delhi ( MCD).
Acute and chronic presentation of intestinal nonrotation in adults.
Due to either a conscious or an unconscious bias, auditors in a nonrotation condition were more likely to agree with the client on a questionable accounting issue than were auditors in the last year of a rotation situation.