Comparison of swallow and chick embryos with regard to the progress of shoulder and hip joint differentiation.
D000818:Animals; D001717:Birds; D002642:Chick Embryo; D006615:Hip / Q000196:embryology*; D007596:Joints; D012782:Shoulder / Q000196:embryology*; D013194:Staining and Labeling; D013997:Time Factors