phycoplastn.
/ˈfʌɪkə(ʊ)plɑːst/, /ˈfʌɪkə(ʊ)plast/, U.S. /ˈfaɪkəˌplæst/ Cell Biology.
An array of microtubules located in the plane of division during cytokinesis in certain green algae. Cf. phragmoplast n.
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the world > plants > particular plants > algae > [noun] > parts, cells, or spores
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phycoplast1972
1972 J. D. Pickett-Heaps in Cytobios 5 63 Since this disposition of microtubules is so common in algae, I have coined the term ‘phycoplast’ to describe it. This implies that it can to some extent be considered an analogue of the higher plant cell phragmoplast, but its main distinguishing feature is the orientation of its constituent microtubules in the plane of cytoplasmic cleavage.
1978 BioSystems 10 146/1 Platymonas, a scaly green flagellate considered to be a primitive chlorophycean alga because it has a phycoplast.
2000 Q. Rev. Biol. 75 421/1 Chlamydomonas mutants that lack kinetosomes also lack mitotic coordination between spindle and the phycoplast.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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