Preferred Name | muscle of iris | |
Synonyms |
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ID |
http://purl.obolibrary.org/obo/UBERON_0001606 |
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IAO_0000116 |
revisit this, see issue #331 |
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label |
muscle of iris |
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part_of | ||
prefixIRI |
UBERON:0001606 |
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prefLabel |
muscle of iris |
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treeView | ||
UBPROP_0000008 |
The muscle cells of the iris are smooth muscle in mammals and amphibians, but are striated muscle in birds and reptiles. Many fish have neither, and, as a result, their irides are unable to dilate and contract, so that the pupil always remains of a fixed size[Romer, via WP] in aves, stromal mesenchymal cells may migrate to the iris and become skeletal |
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subClassOf |
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