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单词 pecten
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pec•ten  (pek′tən),USA pronunciation n., pl. -tens, -ti•nes 
    (-tə nēz′).USA pronunciation 
  1. Anatomy, Zoology, Anatomy[Zool., Anat.]
    • 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.
  2. Invertebratesany bivalve mollusk of the genus Pecten;
     scallop.
  • Latin pecten comb, rake, scallop, pubes, akin to pectere, Greek pékein to comb, card
  • Middle English 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::
pecten /ˈpɛktɪn/ n ( pl -tens, -tines / -tɪˌniːz/)
  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
Etymology: 18th Century: from Latin: a comb, from pectere, related to Greek pekein to comb
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