与"primitive body cavity"相近的词条

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• primitive atrium
• 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

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