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loading...| Preferred Name |
muscle of iris |
| Synonyms |
muscle organ of iris iris muscle organ iris muscle |
| Definitions |
. |
| ID |
http://purl.obolibrary.org/obo/UBERON_0001606 |
| database_cross_reference |
MA:0001287 EMAPA:35448 SCTID:280888007 Wikipedia:Iris_muscle FMA:49154 |
| definition |
. |
| editor note |
revisit this, see issue #331 |
| has_exact_synonym |
muscle organ of iris iris muscle organ iris muscle |
| has_obo_namespace |
uberon |
| id |
UBERON:0001606 |
| in_subset | |
| label |
muscle of iris |
| notation |
UBERON:0001606 |
| part_of | |
| prefLabel |
muscle of iris |
| 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 |
| subClassOf |
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