The spatial interrelationship of the body wall mesoderm and ectoderm of the chick embryo at the level of the developing limbs.
D000818:Animals; D002642:Chick Embryo; D004475:Ectoderm / Q000033:anatomy & histology*; D005121:Extremities / Q000196:embryology*; D008648:Mesoderm / Q000033:anatomy & histology*