Fibrous tunic of eyeball

Fibrous tunic of eyeball
Horizontal section of the eyeball. (Cornea labeled at top, sclera labeled at center right.)
Latin	tunica fibrosa bulbi, tunica fibrosa oculi
Gray's	subject #225 1005

The sclera and cornea form the fibrous tunic of the bulb of the eye; the sclera is opaque, and constitutes the posterior five-sixths of the tunic; the cornea is transparent, and forms the anterior sixth.

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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 As such, some of the information contained herein may be outdated.

v • d • e Sensory system – visual system – eye Fibrous tunic (outer) Conjunctiva • Sclera/Episclera • Schlemm's canal • Trabecular meshwork • Limbus Cornea (Epithelium, Bowman's, Stroma (keratocytes), Descemet's, Endothelium) Uvea (middle) Choroid (Ciliary processes, Choriocapillaris, Bruch's membrane) • Iris (Stroma) • Pupil • Ciliary body Retina (inner) Macula • Fovea • Optic disc (Cup) 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) Other Tenon's capsule • Ocular immune system • Tapetum lucidum eye navs: anat/physio/physio/dev, noncongen/congen/neoplasia, eponymous signs, proc