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tunica fibrosa of eyeball

^ http://purl.obolibrary.org/obo/UBERON_0012430

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. [ http://en.wikipedia.org/wiki/Fibrous_tunic_of_eyeball ]

Synonyms: fibrous layer of eyeball