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jelly coat

noun, Biochemistry
an ovum-produced glycoprotein that causes adhesion of sperm to the ovum; fertilizin. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for jelly coat
  • Amphibian embryos hatched with apparent abnormalities indicate insufficient protection by the jelly coat surrounding the embryo.
  • Sturgeon eggs are adhesive, forming a sticky jelly coat on the surface when exposed to water.

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