| 释义 |
polyspermic, a. Physiol.|pɒlɪˈspɜːmɪk|
[f. polyspermy + -ic.]
Involving or exhibiting polyspermy.
1890Billings Med. Dict. II. 368/2 Polyspermic, requiring more than one spermatozoon to fructify the egg. 1894Anatomischer Anzeiger IX. 146 Stained preparations of these eggs show them to be, previous to division, polyspermic. 1953Austral. Jrnl. Biol. Sci. VI. 674 In the polyspermic rat egg, the chromosome complements from the female pronucleus and the male pronuclei all take part in the formation of the first cleavage spindle. 1975Nature 8 May 112/1 Since silkworms are polyspermic the opportunity then arises for two different male pronuclei to fuse and form a diploid zygote nucleus. |