Cephalic changes in chick embryos under the action of ultrasound.
D000818:Animals; D002490:Central Nervous System; D002642:Chick Embryo; D004423:Ear; D005123:Eye; D005315:Fetal Diseases; D006257:Head; D006801:Humans; D014465:Ultrasonics
CENTRAL NERVOUS SYSTEM; EAR; EYE; FETAL DISEASES; HEAD; ULTRASONICS