与"primitive body segment"相近的词条

...

• primitive backbond
• primitive bacteria
• primitive BFU-erythroid progenitor
• primitive bird
• primitive body cavity
• primitive body segment
• primitive bone
• primitive brain vesicle
• primitive carcinoma
• primitive cardiac tube
• primitive cell
• primitive character
• primitive choana
• primitive chordate
• primitive chorion
• primitive circulation

...