Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A proteinaceous structure found within the chloroplast of certain algae and hornwort bryophytes. It is thought to be a site where carbon is concentrated.
from The Century Dictionary.
- Resembling in form the stone of a fruit; globular; nucleiform; of excrescent bodies, wart-like.
- noun A small colorless mass of proteid substance of a crystalline form, usually appearing hexagonal in optical section.
- noun One of the colorless plastids, or leucoplasts, found in the chromatophores of algæ and constituting centers for the formation of starch.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) A transparent body found in the chromatophores of certain Infusoria.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology any of several transparent
structures found in thechloroplast of certainalgae etc.; they areresponsible for thefixation ofcarbon dioxide and theformation ofstarch
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[New Latin pȳrēna, fruit stone; see pyrene + –oid.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
From pyrene + -oid.
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Examples
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They also have things called pyrenoid bodies, this means it can store starch, it can also be used as a spare energy source.
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They also have things called pyrenoid bodies, this means it can store starch, it can also be used as a spare energy source.
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_B_, a single cell treated with chromic acid, and stained with alum cochineal. _n_, nucleus. _py. _ pyrenoid, × 150.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Douglas Houghton Campbell
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