Pronunciation: sklē′ră, -ăz, -ē
1. A portion of the fibrous layer forming the outer envelope of the eyeball, except for its anterior sixth, which is the cornea.
The definition information for sclera is provided by Stedman's. You can search our medical dictionary here.
Stedman's, part of Lippincott Williams & Wilkins, provides a comprehensive line of health-science publications for healthcare professionals and medical students.