noun, plural conjunctivas, conjunctivae [kon-juhngk-tahy-vee] . Anatomy.
the mucous membrane that lines the exposed portion of the eyeball and inner surface of the eyelids.

1350–1400; Middle English; short for Medieval Latin membrāna conjunctīva conjunctive membrane; see conjunctive

conjunctival, adjective
subconjunctival, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
conjunctiva (ˌkɒndʒʌŋkˈtaɪvə)
n , pl -vas, -vae
the delicate mucous membrane that covers the eyeball and the under surface of the eyelid
[C16: from New Latin membrāna conjunctīva the conjunctive membrane, from Late Latin conjunctīvusconjunctive]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1540s, short for membrana conjunctiva "conjunctive membrane" (see conjunctive).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

conjunctiva con·junc·ti·va (kŏn'jŭngk-tī'və)
n. pl. con·junc·ti·vas or con·junc·ti·vae (-vē)
The mucous membrane that lines the inner eyelid and the exposed surface of the eyeball.

conjunctival con·junc·ti·val (kŏn'jŭngk-tī'vəl)
Relating to the conjunctiva.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
conjunctiva   (kŏn'jŭngk-tī'və)  Pronunciation Key 
Plural conjunctivas or conjunctivae (kŏn'jŭngk-tī'vē)
The mucous membrane that lines the inside of the eyelid and covers the surface of the eyeball.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences for conjunctival
If due to splash injury, it is often present only in the lower conjunctival sac.
The nerves enter the cornea via three levels, scleral, episcleral and conjunctival.
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