TY - GEN AU - Burgess,A M TI - On the role of the notochord in somite formation and the possible evolutionary significance of the concomitant cell re-orientation SN - 0021-8782 PY - 1983///1028 KW - Animals KW - Biological Evolution KW - Embryo, Nonmammalian KW - physiology KW - Gravitation KW - Mesoderm KW - cytology KW - Notochord KW - Rotation KW - Xenopus laevis N1 - Publication Type: Journal Article ER -