Osteoclast precursor cells are present in the blood of preossification chick embryos.
D000818:Animals; D016025:Bone Transplantation; D001842:Bone and Bones / Q000201:enzymology*; D002454:Cell Differentiation; D002642:Chick Embryo; D003370:Coturnix; D005321:Extraembryonic Membranes / Q000378:metabolism; D010010:Osteoclasts / Q000378:metabolism*; D014183:Transplantation, Heterologous