vitellin

[vi-tel-in, vahy-]
noun Biochemistry.
a phosphoprotein in the yolk of eggs.
Also called ovovitellin.


Origin:
1855–60; vitell(us) + -in2

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vitellin (vɪˈtɛlɪn)
 
n
biochem a phosphoprotein that is the major protein in egg yolk
 
[C19: from vitellus + -in]

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Increased levels of these vitellin proteins have been reported in the marine clams, mussels, and oysters.
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