Iris (anatomi)

Iris iku siji membran jronin mata, kanggo ngontrol diameter lan ukuran pupil lan cacahing cahya sing bakal tumuju retina. "Werna mata" iku wernané, bisa ijo, biru, utawa coklat. Nanggapi cacahing cahya sing lumebu mata, otot sing nèmpèl ing iris ngembang utawa ngowahi ambané diafragma (aperture) ing tengahing, sing diarani pupil. Saya amba pupil, saya akèh cahya bisa lumebu ing sajeroning mata.

Iris
Iris (warna biru). Struktur liya sing katon yakuwi pupil ing sisih tengah lan sing warna putih sclera saubengé iris.
Schematic diagram of the human eye. (Iris labeled at upper left.)
Rincian
Arteri	long posterior ciliary arteries
Saraf	long ciliary nerves, short ciliary nerves
Pengenal
MeSH	D007498
TA98
TA2	6753
FMA	58235
Terminologi anatomi

Gladri

• 
  The choroid and iris.
• 
  Iris, front view.
• 
  The upper half of a sagittal section through the front of the eyeball.

Pranala njaba

• Detailed photographs of human irides Archived 2009-03-18 at the Wayback Machine.
• Cithakan:BUHistology
• Cithakan:UMichAtlas - "Sagittal Section Through the Eyeball"