pyrenoid


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py·re·noid

(pī'rĕ-noyd),
One of the minute luminous bodies sometimes visualized in the chromatophores of some protozoa, such as Euglena viridis.
[G. pyrēn, pit of a fruit, + eidos, resemblance]

pyrenoid

a region of starch formation found in the CHLOROPLASTS of various algae, for example, Spirogyra, Chlamydomonas.
References in periodicals archive ?
Epidermis cells with 1 (-2) chloroplasts, without pyrenoids. On bark, growing over bryophytes.
Symmetrical valves with apices protracted; striae punctate, central area have stigma; raphe straight; plastid single, two lobed and central pyrenoids.
luteus has fewer chloroplasts (5-13), which are absent from the ventral region of the cell, and lack mucocysts and thylakoid lamellae in the matrix of the pyrenoid (Hara and Chihara, 1987; Hallegraeff and Hara, 1995), H.
Single laminar, parietal chloroplast, with 1-3 pyrenoids. Epiphyte on Bryothamnion triquetrum (S.