Control of integumentary patterns in the chick.
D000818:Animals; D002454:Cell Differentiation; D002642:Chick Embryo / Q000033:anatomy & histology*; D046508:Culture Techniques; D004475:Ectoderm / Q000254:growth & development; D005321:Extraembryonic Membranes; D005241:Feathers / Q000033:anatomy & histology / Q000196:embryology*; D005528:Foot / Q000196:embryology; D005865:Gestational Age; D008648:Mesoderm / Q000254:growth & development; D012867:Skin / Q000033:anatomy & histology / Q000166:cytology / Q000196:embryology*; D013997:Time Factors