. The cell; outlines of general anatomy and physiology. •^ <////7i;i ? t i in Fig. 128. — ^ Nuclear figure of an egg ofSfrongj/loceiitrotus, one hour and twenty minutesafter fertilisation, i? Nuclear figure of an eggof Strongyloce»itrotns; this was killed after hav-ing been kept for two hours and fifteen minutesin a freezing mixture, with a temperature of— 2°, in which it was placed one and a half how safter the occurrence of fertilisation. nuclear figures remain in this condition; however, the rigidity gradually disappears whenthe eggs are placed in adrop of water upon an ob-ject glass
. The cell; outlines of general anatomy and physiology. •^ <////7i;i ? t i in Fig. 128. — ^ Nuclear figure of an egg ofSfrongj/loceiitrotus, one hour and twenty minutesafter fertilisation, i? Nuclear figure of an eggof Strongyloce»itrotns; this was killed after hav-ing been kept for two hours and fifteen minutesin a freezing mixture, with a temperature of— 2°, in which it was placed one and a half how safter the occurrence of fertilisation. nuclear figures remain in this condition; however, the rigidity gradually disappears whenthe eggs are placed in adrop of water upon an ob-ject glass, and graduallywarmed up to the tempera-ture of the room. After 5or 10 minutes the two polarradiations develop again atthe same places as before,,at first being only faintlyseen, but finally being asdistinct as ever; the spindlethreads reappear betweenthe two poles, and divisionproceeds in the usual man-ner. In such cases the coldhas acted only as a check,the process of division sim-ply going on from the pointat which it was arrested by the
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Keywords: ., bookcentury1800, bookdecade1890, bookidcelloutlines, bookyear1895
