Stroma of iris
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| Stroma of iris | |
|---|---|
 | |
| The upper half of a sagittal section through the front of the eyeball. ("Stroma of iris" labeled at bottom right.) | |
| Latin | stroma iridis |
| Gray's | subject #225 1013 |
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The stroma of the iris consists of fibers and cells.
The former are made up of delicate bundles of fibrous tissue; a few fibers at the circumference of the iris have a circular direction; but the majority radiate toward the pupil, forming by their interlacement, delicate meshes, in which the vessels and nerves are contained.
Interspersed between the bundles of connective tissue are numerous branched cells with fine processes.
In dark eyes many of them contain pigment granules, but in blue eyes and the eyes of albinos they are unpigmented.
External links
- stroma+of+iris at eMedicine Dictionary
- UIUC Histology Subject 156
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Sensory system - Visual system - Eye | |
|---|---|
| Fibrous tunic (outer) | Conjunctiva • Sclera • Schlemm's canal • Trabecular meshwork • Limbus Cornea (Epithelium, Bowman's, Stroma, Descemet's, Endothelium) |
| Uvea (middle) | Choroid (Ciliary processes, Choriocapillaris, Bruch's membrane) • Iris (Stroma) • Pupil • Ciliary body |
| Retina (inner) | Macula • Fovea • Optic disc |
| Anterior segment | Anterior chamber • Aqueous humour • Posterior chamber • Lens |
| Posterior segment | Vitreous humour • Zonule of Zinn |
| Intraocular muscles | parasympathetic (Ciliary muscle, Iris sphincter muscle) • sympathetic (Iris dilator muscle) |
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
