| 释义 |
polysomaty Biol.|pɒlɪˈsəʊmətɪ|
[f. as prec.: see -y3.]
The occurrence of polyploid cells together with diploid cells in the same somatic tissue.
1937Cytologia VIII. 247 In Kochia scoparia L...the large periblem cells of the root were found to exhibit the same phenomenon of polysomaty as those of Spinacia. 1962Lancet 12 May 1005/1 Very possibly, spindle formation is upset in the divisions preceding the formation of orthochromatic erythroblasts, thus giving rise to polysomaty. 1969Brown & Bertke Textbk. Cytol. xix. 424/2 In numerous species such as spinach, Cannabis, potato, onion, beet, etc., polysomaty occurs typically in root tips and in many species in shoot tips and leaves. |