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.
- noun One of the colorless plastids, or leucoplasts, found in the chromatophores of algæ and constituting centers for the formation of starch.
- 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.
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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