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- W1992567044 abstract "Abstract Jelly coats of the sea urchin, Pseudocentrotus depressus , were stripped off the eggs, and the eggs were “inseminated.” After penetration through the isolated jelly hull, sperm swarmed in the cavity previously occupied by the egg. Electron microscopic examination could not detect any sperm with reacted acrosome. Observation was also made of the sperm penetrating through the intact jelly coat-egg complex. Although a number of sperm were examined in ultrathin sections, only those attached to the vitelline layer had undergone the acrosome reaction; those sperm embedded in jelly but not attached to the vitelline layer had not undergone the acrosome reaction. The sequence of events in fertilization of this species and of other echinoids is discussed." @default.
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- W1992567044 date "1977-12-01" @default.
- W1992567044 modified "2023-09-25" @default.
- W1992567044 title "When do sperm of the sea urchin, Pseudocentrotus depressus, undergo the acrosome reaction at fertilization?" @default.
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- W1992567044 doi "https://doi.org/10.1016/0012-1606(77)90306-2" @default.
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