Term Name: iris
Synonyms: anterior uvea, irides, irises
Definition: the adjustable membrane, composed of the stroma and pigmented epithelium, located just in front of the crystalline lens within the eye
Ontology: Cell Ontology [UBERON:0001769]

Relationships
develops from: optic vesicle
is part of: anterior uvea
has parts: iris blood vessel iris epithelium iris smooth muscle iris stroma muscle of iris pupil pupillary membrane sphincter pupillae vasculature of iris
is a type of: ectoderm-derived structure multi-tissue structure