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SCLERA
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I. (noun)
Sense 1
Meaning:
The whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball
Synonyms:
Classified under:
Hypernyms ("sclera" is a kind of...):
albuginea (whitish tunic)
Holonyms ("sclera" is a part of...):
eye; oculus; optic (the organ of sight)
Context examples:
A thin, transparent mucous membrane that covers the posterior surface of lids (palpebral conjunctiva) and the outer surface of the sclera (bulbar conjunctiva).
(Murine Conjunctiva, NCI Thesaurus)
A thin layer of tissue that is part of the middle layer of the wall of the eye, between the sclera (white outer layer of the eye) and the retina (the inner layer of nerve tissue at the back of the eye).
(Choroid, NCI Dictionary)
It is structurally continuous with the sclera, is avascular, receiving its nourishment by permeation through spaces between the lamellae, and is innervated by the ophthalmic division of the trigeminal nerve via the ciliary nerves and those of the surrounding conjunctiva which together form plexuses.
(Murine Cornea, NCI Thesaurus)
The space in the eye, filled with aqueous humor, bounded anteriorly by the cornea and a small portion of the sclera and posteriorly by a small portion of the ciliary body, the iris, and that part of the crystalline lens which presents through the pupil.
(Anterior Chamber of the Eye, NCI Thesaurus)
An annular transitional zone, approximately 1 mm wide, between the cornea and the bulbar conjunctiva and sclera.
(Corneoscleral Limbus, NLM, Medical Subject Headings)
