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单词 pyrenoid
释义

pyrenoid

[ pahy-ree-noid, pahy-ruh-noid ]
/ paɪˈri nɔɪd, ˈpaɪ rəˌnɔɪd /

noun

a spherical protein structure found within chloroplasts of certain algae and hornworts.

Words nearby pyrenoid

Pyrenean mountain dog, Pyrenees, Pyrénées-Atlantiques, Pyrénées-Orientales, pyrenocarp, pyrenoid, pyrethrin, pyrethroid, pyrethrum, pyretic, pyreto-
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pyrenoid

  • A pyrenoid lies in a fold of the chromatophore on the dorsal part.

    The Diatomaceae of Philadelphia and Vicinity|Charles Sumner Boyer
  • The pyrenoid is evidently concerned in the formation of the chromatophore, or in its division.

    The Diatomaceae of Philadelphia and Vicinity|Charles Sumner Boyer
  • Schmitz states that the chromatophore is thickened in the middle and contains a pyrenoid.

    The Diatomaceae of Philadelphia and Vicinity|Charles Sumner Boyer

British Dictionary definitions for pyrenoid

pyrenoid
/ (ˈpaɪrəˌnɔɪd) /

noun

any of various small protein granules that occur in certain algae, mosses, and protozoans and are involved in the synthesis of starch

Word Origin for pyrenoid

C19: from pyrene ² + -oid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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更新时间:2025/2/3 6:32:00