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Table 1 Metaphase plate and spindle structure in anoxic embryos

From: Characterization of sub-nuclear changes in Caenorhabditis elegans embryos exposed to brief, intermediate and long-term anoxia to analyze anoxia-induced cell cycle arrest

  Metaphase Plate Metaphase
  Length ± SD (μm) Width ± SD (μm) Spindle Perimeter ± SD (μm)
Normoxia 4.33 ± .48 .96 ± .13 13.83 ± .85
Anoxia:    
   30 minutes 3.92 ± .45 .87 ± .10 13.73 ± .87
   6 hours 3.51 ± .19 1.12 ± .19 9.20 ± .74
   12 hours 3.23 ± .10 1.24 ± .13 8.41 ± .25
   24 hours 2.51 ± .30 1.26 ± .07 6.77 ± .63
   72 hours 2.71 ± .18 1.25 ± .04 6.82 ± .37
  1. For each assay at least 12 embryos were assayed.
  2. SD is Standard Deviation
  3. The p value was < .001 for metaphase plate length and metaphase spindle perimeter measurements for embryos exposed to 6 or more hours of anoxia and for metaphase plate width measurements for embryos exposed to 12 hours of anoxia.