Source:http://linkedlifedata.com/resource/umls/id/C0042895
MSH: The active production and accumulation of VITELLINS (egg yolk proteins) in the non-mammalian OOCYTES from circulating precursors, VITELLOGENINS. Vitellogenesis usually begins after the first MEIOSIS and is regulated by estrogenic hormones.,GO: The production of yolk. Yolk is a mixture of materials used for embryonic nutrition. [GOC:dph, ISBN:0879694238]