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Definition of Pyrenoid
1. n. A transparent body found in the chromatophores of certain Infusoria.
Definition of Pyrenoid
1. Noun. (biology) any of several transparent structures found in the chloroplast of certain algae etc.; they are responsible for the fixation of carbon dioxide and the formation of starch ¹
¹ Source: wiktionary.com
Definition of Pyrenoid
1. a protein body of certain lower organisms [n -S]
Lexicographical Neighbors of Pyrenoid
Literary usage of Pyrenoid
Below you will find example usage of this term as found in modern and/or classical literature:
1. An Introduction to Cytology by Lester Whyland Sharp (1921)
"served that under certain conditions the pyrenoid is closely surrounded by a mass
of starch grains, and concluded that it is an organ, or portion of an ..."
2. Science by American Association for the Advancement of Science (1914)
"There may be more than one pyrenoid present and the shape of the pyrenoid ...
Very thin starch platee are found around the pyrenoid, while other platee of ..."
3. Report of the Annual Meeting (1906)
"in Zygnema there are two star-shaped chromatophores, each with a large pyrenoid
in the middle, and between them a small very inconspicuous nucleus. ..."
4. Fresh-water Biology by Henry Baldwin Ward, George Chandler Whipple (1918)
"Cells spherical or slightly angled; chromatophore a hollow sphere, open at one
side, with a pyrenoid opposite the opening. FIG. 201. ..."
5. Applied and Economic Botany: Especially Adapted for the Use of Students in by Henry Kraemer (1914)
"This would quite agree with the studies of Timberlake, who observed the complete
conversion of the pyrenoid into starch. That the substances of the pyrenoid ..."
6. Applied and Economic Botany for Students in Technical and Agricultural by Henry Kraemer (1916)
"This would quite agree with the studies of Timberlake, who observed the complete
conversion of the pyrenoid into starch. That the substances of the pyrenoid ..."
7. The Natural History of Plants: Their Forms, Growth, Reproduction, and by Anton Kerner von Marilaun (1902)
"This last phenomenon is due to the formation of starch by the protoplasm round
the pyrenoid. The exact part played by the pyrenoid is very obscure, ..."
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