New D A, Mizell M
Science. 1972 Feb 4;175(4021):533-6. doi: 10.1126/science.175.4021.533.
Opossum fetuses explanted at limb bud stages have been successfully grown in culture for periods up to 20 hours. Blood circulation was maintained, and organogenesis continued at about the same rate as in vivo.
在肢体芽阶段取出的负鼠胎儿已在培养中成功生长长达20小时。血液循环得以维持,器官发生以与体内大致相同的速度继续进行。