Pyrenoid Definition

pī-rēnoid, pīrə-
noun
A small structure within a chloroplast, as in some algae, functioning as a center for starch production.
Webster's New World

Origin of Pyrenoid

  • New Latin pȳrēna fruit stone pyrene1 –oid

    From American Heritage Dictionary of the English Language, 5th Edition

  • From pyrene +"Ž -oid.

    From Wiktionary

Pyrenoid Sentence Examples

  • When carbon-assimilation is active, starch-granules crowd upon the surface of the pyrenoid and completely obscure it from view.

  • Sometimes several pyrenoids occur in each chloroplast, as in Mesocarpus and Spirogyra; sometimes only an occasional chloroplast contains pyrenoid at all, as in Cladophora.

  • They are composed of a homogeneous proteid substance, and often contain albuminoid or proteid crystals of the same kind as those which form the pyrenoid.

  • The pyrenoid seems to be of proteid nature and gelatinous consistency, and to arise as a new formation or by division of pre-existing pyrenoids.

Find Similar Words

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Words Starting With

PPYPYR

Words Ending With

DIDOID

Unscrambles

pyrenoid

Words Starting With P and Ending With D

Starts With P & Ends With DStarts With PY & Ends With DStarts With P & Ends With ID

Word Length

8 Letter Words8 Letter Words Starting With P8 Letter Words Ending With D