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Internal anal sphincter
Known as:
M. sphincter ani internus
, Musculus sphincter ani internus
, Circular muscle layer of anal canal
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A ring of smooth muscle surrounding the anus on the inside of the external anal sphincter.
National Institutes of Health
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Related topics
Related topics
4 relations
Anal canal
Autonomic nervous system
Gastrointestinal system
Musculoskeletal System
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2013
2013
Faecal soiling: pathophysiology of postdefaecatory incontinence
Filippo Pucciani
Colorectal Disease
2013
Corpus ID: 12336377
Passive postdefaecatory incontinence is poorly understood and yet is an important clinical problem. The aim of this study was to…
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2013
2013
3-Dimensional Endovaginal Ultrasound can reliably detect normal anal sphincter anatomy
R. Ghazaleh
,
D. White
,
L. Quiroz
,
S. Shobeiri
2013
Corpus ID: 80109113
Study design, materials and methods 77 patients who had undergone concurrent 3D endovaginal ultrasound (EVUS) and 3D endoanal…
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2007
2007
Benign anorectal disease: diagnosis with endoanal and endorectal ultrasound and new treatment options
M. Pescatori
Techniques in Coloproctology
2007
Corpus ID: 37584172
2003
2003
Effect of 0.2 Percent Glyceryl Trinitrate Ointment on Wound Healing After a Hemorrhoidectomy: Results of a Randomized, Prospective, Double-Blind, Placebo-Controlled Trial
D. Hwang
,
Seo-Gue Yoon
,
H. S. Kim
,
Jong Kyun Lee
,
Kwang Yun Kim
Diseases of the Colon & Rectum
2003
Corpus ID: 25800277
PURPOSE Glyceryl trinitrate ointment acts as a dilator of the internal anal sphincter. It has been used as a treatment modality…
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1997
1997
Reduction of post-prandial motility by pinaverium bromide a calcium channel blocker acting selectively on the gastrointestinal tract in patients with irritable bowel syndrome.
R. A. Awad
,
V. Cordova
,
M. Dibildox
,
R. Santiago
,
Santiago Camacho
Acta gastroenterologica Latinoamericana
1997
Corpus ID: 32132457
BACKGROUND Growing evidence points to irritable bowel syndrome physiologically as a disease of the enteric nervous system…
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1995
1995
What is the desirable stimulus to induce the rectoanal inhibitory reflex?
Yang Gang
Diseases of the Colon & Rectum
1995
Corpus ID: 36828641
PURPOSE: This study was designed to find other methods to induce rectoanal inhibitory reflex. METHODS: Twenty healthy children…
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1984
1984
[Regulation of the anal canal pressure as revealed by myoelectrical activity of the internal anal sphincter].
N. Ihara
,
H. Takahira
Nihon Heikatsukin Gakkai zasshi
1984
Corpus ID: 25755034
Dogs were decerebrated under short-acting anesthesia and the intraluminal pressure within anal canal was continuously recorded…
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1973
1973
[The effect of the intrinsic mucosal reflex upon the motility of the internal anal sphincter (author's transl)].
Katsuto Watanabe
Nihon Heikatsukin Gakkai zasshi
1973
Corpus ID: 31643627
Effects of distention of the caudal end of the distal colon on the internal anal sphincter were studied with the balloon-water…
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1969
1969
Preiminary investigation of the pharmacology of the human internal anal sphincter.
A. Parks
,
D. Fishlock
,
J. Cameron
,
H. May
Gut
1969
Corpus ID: 25369302
The smooth muscle from the human internal anal sphincter has been investigated pharmacologically in vitro. The upper and lower…
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Review
1959
Review
1959
Relaxation of the internal anal sphincter in anorectal surgery
G. Kratzer
Diseases of the Colon & Rectum
1959
Corpus ID: 37735641
Summary and ConclusionsFourteen hundred consecutive cases of local anesthesia in anorectal surgery were reviewed. There was one…
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