vitellogenin

 
Pronunciation: /vɪˌtɛlə(ʊ)ˈdʒɛnɪn, ˌvɪt(ə)ləʊˈdʒɛnɪn/

noun

Biochemistry
  • a protein present in the blood, from which the substance of egg yolk is derived.

Origin:

1960s: from vitellus + -gen + -in1