title: Are histiocytes present in the circulating blood of normal chick embryos? [proceedings].
mesh_terms: D000818:Animals; D001773:Blood Cells / Q000166:cytology*; D001775:Blood Circulation; D002454:Cell Differentiation; D002642:Chick Embryo / Q000502:physiology; D006413:Hematopoietic System / Q000196:embryology; D006644:Histiocytes / Q000166:cytology* / Q000648:ultrastructure