mesoplastn.

Brit.

/ˈmɛsə(ʊ)plast/, U.S.

/ˈmɛzəˌplæst/; see also meso- comb. form.

Origin: Formed within English, by compounding. Etymons: meso- comb. form, -plast comb. form.

Etymology: < meso- comb. form + -plast comb. form.

†1. Biology. The substance of which the cell nucleus is composed (nucleoplasm). Also: a cell nucleus. Cf. mesoblast n. 1. Obsolete. rare.Apparently only attested in dictionaries or glossaries.

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

† mesoplastic adj. Obsolete rare Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 Cent. Dict. Mesoplastic.

This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mesoplast
释义	mesoplastn. Brit. /ˈmɛsə(ʊ)plast/, U.S. /ˈmɛzəˌplæst/; see also meso- comb. form. Origin: Formed within English, by compounding. Etymons: meso- comb. form, -plast comb. form. Etymology: < meso- comb. form + -plast comb. form. †1. Biology. The substance of which the cell nucleus is composed (nucleoplasm). Also: a cell nucleus. Cf. mesoblast n. 1. Obsolete. rare.Apparently only attested in dictionaries or glossaries. 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 † mesoplastic adj. Obsolete rare Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. Mesoplastic. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.1883
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