loading...| Preferred Name |
iris |
| Definitions |
The circular pigmented membrane behind the cornea, perforated by the pupil; the most anterior portion of the vascular tunic of the eye, it is made up of a flat bar of circular muscular fibers surrounding the pupil, a thin layer of smooth muscle fibers by which the pupil is dilated, thus regulating the amount of light entering the eye, and posteriorly two layers of pigmented epithelial cells. |
| ID |
http://purl.obolibrary.org/obo/BTO_0000653 |
| definition |
The circular pigmented membrane behind the cornea, perforated by the pupil; the most anterior portion of the vascular tunic of the eye, it is made up of a flat bar of circular muscular fibers surrounding the pupil, a thin layer of smooth muscle fibers by which the pupil is dilated, thus regulating the amount of light entering the eye, and posteriorly two layers of pigmented epithelial cells. |
| has_obo_namespace |
BrendaTissueOBO |
| id |
BTO:0000653 |
| label |
iris |
| notation |
BTO:0000653 |
| part_of | |
| prefLabel |
iris |
| treeView |