pyrenoid

[ pahy-ree-noid, pahy-ruh-noid ]

noun

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

pyrenoid

/ ˈpaɪrəˌnɔɪd /

noun

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

Word History and Origins

Origin of pyrenoid¹

C19: from pyrene ² + -oid

Example Sentences

The pyrenoid is evidently concerned in the formation of the chromatophore, or in its division.

From Project Gutenberg

Schmitz states that the chromatophore is thickened in the middle and contains a pyrenoid.

From Project Gutenberg

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

From Project Gutenberg