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The internal anal sphincter, IAS, or sphincter ani internus is a ring of smooth muscle that surrounds about 2.
Structure, Function & Physiology
Explore the main themes, entities and connections around Internal anal sphincter. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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anal sphincter external rectum canal muscle ani contraction internal rectal continence ias stimulation smooth also involuntary sympathetic parasympathetic feces relaxation
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Internal anal sphincter | Actions | Keeps the anal canal and orifice closed, aids in the expulsion of the feces | 1.00 | infobox |
| Internal anal sphincter | FMA | 15710 | 1.00 | infobox |
| Internal anal sphincter | Latin | musculus sphincter ani internus | 1.00 | infobox |
| Internal anal sphincter | Nerve | Pelvic splanchnic nerves (S4), thoracicolumbar outflow of the spinal cord | 1.00 | infobox |
| Internal anal sphincter | TA2 | 3018 | 1.00 | infobox |
| Internal anal sphincter | TA98 | A05.7.05.011 | 1.00 | infobox |
| Internal anal sphincter | is a | specialised thickened terminal portion of the inner circular layer of smooth muscle of the large intestine | 0.90 | text |
| Internal anal sphincter | related to Innervation | The | 0.60 | section |
| Internal anal sphincter | related to Innervation | L1-L2 | 0.60 | section |
| Internal anal sphincter | related to Innervation | S2-S4 | 0.60 | section |
| Internal anal sphincter | related to Structure | The | 0.60 | section |
| Internal anal sphincter | related to Structure | It | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.