The apical cell and basal cell act as the ancestor cells of frond and rhizoid. 兩個(gè)細胞分別成為葉片和假根的祖細胞。
Next, single ETP cells were painstakingly placed into culture so that each container received only one cell. 下一步,單個(gè)早期胸腺祖細胞被小心地放入培養基中,每個(gè)容器只有一個(gè)細胞。