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单词 pinguecula
释义

pingueculan.

Brit. /pɪŋˈɡwɛkjᵿlə/, U.S. /pɪŋˈɡwɛkjələ/
Inflections: Plural pingueculae, pingueculas.
Forms: 1800s– pinguecula, 1800s– pinguicula (rare).
Origin: A borrowing from Latin. Etymons: Latin pinguicula, pinguiculus.
Etymology: < classical Latin pinguicula, feminine of pinguiculus rather fat (see Pinguicula n.). Compare slightly later pinguecule n.R. G. Mayne (see quot. 1858 at pinguecule n.) gives a Latin form pinguecula.
Medicine.
A small yellow region of degeneration of the conjunctiva, usually situated near the edge of the cornea; a condition of the eye characterized by this.
ΘΚΠ
the world > health and disease > ill health > a disease > disorders of eye > [noun] > growth or ulcer
ungulac1400
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pinguecula1850
1850 H. Howard Anat. Eye xvi. 230 Pinguecula.—This is a little yellowish colored tumour, situated partly in the conjunctiva, and partly in its cellular membrane.
1876 T. Bryant Pract. Surg. (ed. 2) I. viii. 341 Pinguiculæ are small yellowish growths..situated beneath the conjunctiva, generally near the outer and inner margin of the cornea.
1937 E. Wolff Dis. Eye i. 12 Pingueculæ require no treatment.
1965 F. W. Newell Ophthalmol. viii. 180/2 Rarely a pinguecula becomes inflamed, causing a foreign body sensation.
1992 Internat. Jrnl. Food Sci. & Nutrition 43 157/2 Presbiopia, myopia, astigmatism, hypermetropia pterigion and pinguecula were the most frequent problems.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1850
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