noun, plural pectens, pectines [pek-tuh-neez] .
Zoology, Anatomy.
a comblike part or process.
a pigmented vascular membrane with parallel folds suggesting the teeth of a comb, projecting into the vitreous humor of the eye in birds and reptiles.
any bivalve mollusk of the genus Pecten; scallop.

1350–1400; Middle English < Latin pecten comb, rake, scallop, pubes, akin to pectere, Greek pékein to comb, card Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
pecten (ˈpɛktɪn)
n , pl -tens, -tines
1.  a comblike structure in the eye of birds and reptiles, consisting of a network of blood vessels projecting inwards from the retina, which it is thought to supply with oxygen
2.  any other comblike part or organ
3.  any scallop of the genus Pecten, which swim by expelling water from their shell valves in a series of snapping motions
[C18: from Latin: a comb, from pectere, related to Greek pekein to comb]

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American Heritage
Medical Dictionary

pecten pec·ten (pěk'tən)
n. pl. pec·tens or pec·ti·nes (-tə-nēz')
A body structure or an organ resembling a comb.

The American Heritage® Stedman's Medical Dictionary
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