title: Ultrastructure of embryonic skin.
mesh_terms: D004817:Epidermis / Q000196:embryology / Q000648:ultrastructure; D005855:Germ Layers / Q000648:ultrastructure; D006197:Hair / Q000196:embryology / Q000648:ultrastructure; D006801:Humans; D009262:Nails / Q000196:embryology / Q000648:ultrastructure; D009474:Neurons / Q000196:embryology / Q000648:ultrastructure; D012627:Sebaceous Glands / Q000196:embryology / Q000648:ultrastructure; D012867:Skin / Q000196:embryology* / Q000648:ultrastructure