polyspermy



polyspermy defined in 1951 year

polyspermy - polyspermy;
polyspermy - Penetration of numerous sperm into one ovum at time of fertilization. Occurs normally in very yolky eggs (e.g. shark, bird); only one sperm nucleus fuses with egg nucleus, the rest taking little further part in development. May occur abnormally in other eggs, upsetting development.

near polyspermy in Knolik


polysomehome
letter "P"
start from "PO"
polytene

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