What does loss of Haustration mean?
Clinical significance. Widespread loss of haustra is a sign of chronic ulcerative colitis. Localized ahaustral distended colon can be seen on abdominal x-ray during obstruction or volvulus.
What is meant by Retropulsion?
Retropulsion in Parkinson’s disease is the force that contributes to loss of balance in a backwards or posterior direction. Retropulsion can contribute to losing your balance backwards when you rise from a chair, walk backwards, reach above or below into cabinets, and when you open doors.
What is a Sacculation?
Medical Definition of sacculation 1 : the quality or state of being sacculated. 2 : the process of developing or segmenting into sacculated structures. 3 : a sac or sacculated structure especially : one of a linear series of such structures the sacculations of the colon.
What is haustra and its function?
The haustra of the colon (singular haustrum) are the small pouches caused by sacculation, which give the colon its segmented appearance. One haustrum distends as it fills, which stimulates muscles to contract, pushing the contents to the next haustrum.
What does Crohn’s disease look like on an MRI?
Typical changes depicting active disease include thickening of the bowel wall, high T2 signal of the walls with hyperenhancement and stratification, and hyperemic vasa recta. MRI demonstrates inflamed terminal ileum in 10-year-old girl with Crohn disease.
What is the difference between Crohn’s disease and ulcerative colitis?
Ulcerative colitis is limited to the colon while Crohn’s disease can occur anywhere between the mouth and the anus. In Crohn’s disease, there are healthy parts of the intestine mixed in between inflamed areas. Ulcerative colitis, on the other hand, is continuous inflammation of the colon.
Where does Retropulsion occur?
Retropulsion —A process in which muscular contractions push food that has entered the duodenum backward into the stomach. Retropulsion helps to mix the chyme with gastric juices, and to break large lumps of food into smaller pieces.
What is opposite of Retropulsion?
The word retropulsion typically refers to the disorder of movement seen in patients with Parkinson’s disease. There are no categorical antonyms for this word.
What does haustra mean?
The haustral folds (Latin: haustrum, plural: haustra) represent folds of mucosa within the colon. The haustra refer to the small segmented pouches of bowel separated by the haustral folds. They are formed by circumferential contraction of the inner muscular layer of the colon.
What does Taenia mean?
Taenia: In medicine, taenia is a genus (group) of large tapeworms some of which are parasitic in humans. In Latin, taenia means a ribbon or tape. Taenia is also spelled tenia.
What causes haustra to form?
The haustra refer to the small segmented pouches of bowel separated by the haustral folds. They are formed by circumferential contraction of the inner muscular layer of the colon. The outer longitudinal muscular layer is organized into three bands (taeniae coli) which run from the cecum to the rectum.
What is haustra made of?
furrows of varying depths called haustra, or sacculations. The appendices epiploicae are collections of fatty tissue beneath the covering membrane. On the ascending and descending colon, they are usually found in two rows, whereas on the transverse colon they form one row.
What is the medical dictionary definition of haustration?
1. the formation of a haustrum. 2. a haustral contraction. 3. haustrum. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
What is the medical definition of a haustra?
Medical Definition of haustration. 1 : the property or state of having haustra. 2 : haustrum.
What is the meaning of the word haustrum?
haus·trum | \\ ˈhȯ-strəm \\. plural haustra\\ -strə \\. : one of the pouches or sacculations into which the large intestine is divided.
What do you mean by haustrations of the colon?
haus·tra of co·lon. [TA] the sacculations of the colon, caused by the teniae, or longitudinal bands, which are slightly shorter than the gut so that the latter is thrown into tucks or pouches. Synonym(s): haustra coli [TA], cellulae coli, haustrations of colon, sacculation of colon.