How to keep a head in order.
Ahlberg
P E
PE
D000818:Animals; D005075:Biological Evolution; D001934:Branchial Region / Q000196:embryology / Q000294:innervation; D002642:Chick Embryo; D006257:Head / Q000196:embryology* / Q000294:innervation; D006801:Humans; D007568:Jaw / Q000196:embryology; D009024:Morphogenesis; D009132:Muscles / Q000196:embryology; D009432:Neural Crest / Q000196:embryology; D012886:Skull / Q000196:embryology