title: Shoulder formation, rotation of the wing, and polarity of the wing mesoderm and ectoderm.
mesh_terms: D000818:Animals; D002465:Cell Movement; D004475:Ectoderm / Q000502:physiology* / Q000637:transplantation; D008648:Mesoderm / Q000502:physiology* / Q000637:transplantation; D012399:Rotation; D014921:Wings, Animal / Q000196:embryology*