Phlyctena
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Phlyctena
(1) A circumscribed flat cavity that is filled with a turbid fluid and is found on the skin or on a mucous membrane. The phlyctena develops acutely as the initial manifestation of pyoderma.
(2) A nodule that forms on the conjunctiva or in the superficial layers of the cornea usually as an allergic reaction to tuberculosis.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.