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单词 ectropion
释义

ectropionectropiumn.

Etymology: < modern Latin ectropium, Greek ἐκτρόπιον, < ἐκ out + τρέπειν to turn.Previous versions of the OED give the stress as: ecˈtropion.
Pathology.
‘An outward bending; especially applied to the condition in which the eyelid folds on itself, so that the conjunctival surface becomes external; eversion of the eyelid’ ( New Sydenham Soc. Lexicon).
ΚΠ
1676 J. Cooke Mellificium Chirurg. (ed. 3) 665 Ectropion, is when the lower Eye-lid is fallen down.
1728 E. Chambers Cycl. Ectropium,..a Disease of the Eyes, consisting in a Sort of Inversion of the lower Eye-lid.
1736 in Bailey
1875 H. Walton Pract. Treat. Dis. Eye (ed. 3) 697 Ectropium is common in the under, and very uncommon in the upper eyelid.
1876 T. Bryant Pract. Surg. (ed. 2) I. viii. 335 Ectropion signifies an everted condition of the lid.
This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2019).
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