Definition of "uvea" [u•ve•a]

• The vascular middle layer of the eye constituting the iris, ciliary body, and choroid. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Uveitis is a swelling of the uvea, which is the middle layer of the eye."
• "Melanoma starts in the uvea, where melanocytes generate your eye color."
• "The uvea perforata (posterior layer of iris), though the definitions are not in all cases quite clear and definite."