diastern.

/dʌɪˈastə/

Forms: Also dyaster.

Etymology: modern < Greek δι-, di- comb. form twice + ἀστήρ star.

Biology.

The double star of chromatin filaments which forms the penultimate stage in the division of a single cell-nucleus into two.

ΚΠ

1882 J. T. Cunningham in Jrnl. Microsc. Soc. Jan. 43 The threads travel towards the poles, forming a dyaster (note, This term I take from Klein in his Atlas of Histology, 1880).

1885 E. R. Lankester in Encycl. Brit. XIX. 833 A polar star is seen at each end of the nucleus-spindle, and is not to be confused with the diaster.

Derivatives

diˈastral adj.

ΚΠ

1894 Athenæum 24 Nov. 719/3 As to the spindle fibres..during the diastral stage of the division they [etc.].

This entry has not yet been fully updated (first published 1895; most recently modified version published online December 2020).

单词	diaster
释义	diastern. /dʌɪˈastə/ Forms: Also dyaster. Etymology: modern < Greek δι-, di- comb. form twice + ἀστήρ star. Biology. The double star of chromatin filaments which forms the penultimate stage in the division of a single cell-nucleus into two. ΚΠ 1882 J. T. Cunningham in Jrnl. Microsc. Soc. Jan. 43 The threads travel towards the poles, forming a dyaster (note, This term I take from Klein in his Atlas of Histology, 1880). 1885 E. R. Lankester in Encycl. Brit. XIX. 833 A polar star is seen at each end of the nucleus-spindle, and is not to be confused with the diaster. Derivatives diˈastral adj. ΚΠ 1894 Athenæum 24 Nov. 719/3 As to the spindle fibres..during the diastral stage of the division they [etc.]. This entry has not yet been fully updated (first published 1895; most recently modified version published online December 2020). < n.1882
随便看	colophonic acids colophonies colophonin colophonite colophonize colophonone colophons colophony coloplication coloquint coloquintid coloquintida coloquintidas coloquinto coloquinty color color bar color bars color blindness color box color cast color code color coding color coordination color film