loading...| Preferred Name | dilatator pupillae | |
| Synonyms |
pupil dilator muscle pupil dilator iris dilator pupillary muscle radial muscle musculus dilator pupillae radiating fibers pupillary dilator musculus dilatator pupillae dilator pupillae muscle radial muscle of iris iris dilator muscle pupillary dilator muscle dilator pupillae dilator muscle of pupil dilator of pupil |
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| Definitions |
A smooth muscle of the eye, running radially in the iris that functions as a dilator. [WP,unvetted]. |
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| ID |
http://purl.obolibrary.org/obo/UBERON_0001608 |
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| attached to | ||
| attached to part of | ||
| connected to | ||
| database_cross_reference |
NCIT:C32463 EMAPA:35286 BTO:0001371 UMLS:C0229190 SCTID:280890008 Wikipedia:Iris_dilator_muscle FMA:49158 MA:0001288 |
|
| definition |
A smooth muscle of the eye, running radially in the iris that functions as a dilator. [WP,unvetted]. |
|
| depiction |
http://upload.wikimedia.org/wikipedia/commons/2/2f/Gray878.png |
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| develops_from | ||
| functionally related to | ||
| has muscle antagonist | ||
| has muscle insertion | ||
| has muscle origin | ||
| has_exact_synonym |
radial muscle of iris iris dilator muscle pupillary dilator muscle dilator pupillae dilator muscle of pupil dilator of pupil musculus dilatator pupillae dilator pupillae muscle |
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| has_related_synonym |
pupil dilator muscle pupil dilator iris dilator pupillary muscle radial muscle musculus dilator pupillae radiating fibers pupillary dilator musculus dilatator pupillae dilator pupillae muscle |
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| hasOBONamespace |
uberon |
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| id |
UBERON:0001608 |
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| inSubset |
http://purl.obolibrary.org/obo/uberon/core#human_reference_atlas |
|
| label |
dilatator pupillae |
|
| notation |
UBERON:0001608 |
|
| prefLabel |
dilatator pupillae |
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| RO_0002175 | ||
| treeView | ||
| UBPROP_0000009 |
It is innervated by the sympathetic system, which acts by releasing noradrenaline, which acts on alpha1-receptors. Thus, when presented with a threatening stimuli that activates the fight-or-flight response, this innervation dilates the iris, thus temporarily letting more light reach the retina |
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| subClassOf |