Haustrum (anatomy)
Haustra | |
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Details | |
Identifiers | |
Latin | haustra coli |
TA98 | A05.7.03.009 |
TA2 | 2989 |
FMA | 14552 |
Anatomical terminology |
The haustra (sg.: haustrum) of the
Haustral contractions are slow segmenting, uncoordinated movements that occur approximately every 25 minutes. One haustrum distends as it fills with chyme, which stimulates muscles to contract, pushing the contents to the next haustrum. Also see peristalsis.
There is a wider distance between haustra than between the circular folds of the small intestine, and the haustra do not reach around the entire circumference of the intestine, in contrast to circular folds of the small intestine that do. These differences can assist in distinguishing the small intestine from the colon on an abdominal x-ray.
Clinical significance
Widespread loss of haustra is a sign of chronic ulcerative colitis.[2] Localized ahaustral distended colon can be seen on abdominal x-ray during obstruction or volvulus.
References
- ^ "Encyclopedia of Gastroenterology". ScienceDirect link to Encyclopedia-of-Gastroenterology. Retrieved 2023-06-12.
- PMID 1727359.
Further reading
- Chen, Ji-Hong; Yang, Zixian; Yu, Yuanjie; Huizinga, Jan D. (1 February 2016). "Haustral boundary contractions in the proximal 3-taeniated rabbit colon". American Journal of Physiology. Gastrointestinal and Liver Physiology. 310 (3): G181–G192. S2CID 207553178.
- Ritchie, J A (August 1968). "Colonic motor activity and bowel function. I. Normal movement of contents". Gut. 9 (4): 442–456. PMID 5677279.
- Weinreich, J.; Möller, S. H.; Andersen, D. (November 1977). "Colonic Haustral Pattern in Relation to Pressure Activity and Presence of Diverticula". Scandinavian Journal of Gastroenterology. 12 (7): 857–864. PMID 594654.
- Huizinga, Jan D.; Pervez, Maham; Nirmalathasan, Sharjana; Chen, Ji-Hong (1 June 2021). "Characterization of haustral activity in the human colon". American Journal of Physiology. Gastrointestinal and Liver Physiology. 320 (6): G1067–G1080. S2CID 233447497.