Sebanyak 1 item atau buku ditemukan

Tumours of the spine and spinal cord

(C) and (D) are transverse sections showing the notochordal plate incorporated
in the roof of the yolk sac (C), and the formation of the definitive notochord (D). (
Nathan 1959.) In all, some 42 to 44 pairs of somites are formed (4 occipital, ...