mesoplastn.
/ˈmɛsə(ʊ)plast/, U.S. /ˈmɛzəˌplæst/; see also meso- comb. form.ΚΠ
1883 Ogilvie's Imperial Dict. (new ed.) Mesoplast,..the soft or gelatinous matter occupying a cell and constituting the nucleus.
1890 Cent. Dict. Mesoplast, nuclear protoplasm; endoplast; a cell nucleus.
2. Cell Biology. In algal cells: a type of phycoplast which develops among the remnants of the interzonal spindle after mitosis, and is not associated with the centrioles. rare.
ΚΠ
1975 K. D. Stewart & K. R. Mattox in Bot. Rev. 41 124 We propose that phycoplast microtubules that develop among the remnants of the collapsed interzonal spindle be referred to also by a more specific term ‘mesoplast’ (in reference to its development between the daughter nuclei).
1989 Cryptogamic Bot. 1 7/2 The important role of the mesoplast in cellular morphogenesis and, as a consequence, in the spatial control of thallus morphology in these algae.
Derivatives
ΚΠ
1890 Cent. Dict. Mesoplastic.
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).
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n.1883