title: A time clock for meiosis initiation is programmed in avian germ cells.
mesh_terms: D000818:Animals; D002678:Chimera; D004625:Embryo, Nonmammalian; D005260:Female; D008540:Meiosis; D010053:Ovary / Q000166:cytology / Q000196:embryology*; D010507:Periodicity; D011784:Quail