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

letter "P"
start from "PO"

definition of word "polyspermy" was readed 1015 times

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