单词	vitellin
释义	vitellin /vɪˈtɛlɪn / /vʌɪˈtɛlɪn/ noun [mass noun] Biochemistry The chief protein constituent of egg yolk.The monoclonal antibodies used came from the yolk proteins vitellin and vitellogenin of the spined soldier bug, Podisus maculiventris, and the minute pirate bug, Orius insidiosus.... One of the major changes that occurs during the maturation of oocytes is the accumulation of yolk protein, or vitellin. The increase in the number descriptions of vitellogenin and vitellin has increased the ability to comprehend the differences that exist in decapod crustaceans. Origin Mid 19th century: from vitellus + -in1.
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