title: Scanning electron microscopy of circulating primordial germ cells in the chick embryo.
mesh_terms: D000818:Animals; D001773:Blood Cells / Q000648:ultrastructure; D002642:Chick Embryo / Q000166:cytology*; D005854:Germ Cells / Q000648:ultrastructure*; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D008871:Microvilli / Q000648:ultrastructure