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作者: Mark R. Pitkin
DOI: 10.1007/978-3-642-17177-2_1
关键词:
摘要: The fetal skeleton floats, entirely immersed in fluid contained inside of a flexible shell. As the fetus develops, periosteum tightens around bones, and joints are covered by capsules filled with synovial fluid.
Scientific Reports,2015, 引用: 4