Yatvin M B
Science. 1966 Feb 25;151(3713):1001-3. doi: 10.1126/science.151.3713.1001.
Surgical removal of the pituitary gland had little apparent effect on the distribution or morphology of skin and feather polysomes in chicken embryos incubated for 12 days. However, polysome patterns obtained from 15-day-old hypophysectomized embryos differed markedly from those of their controls. In addition, a tetrad-shaped polysome, characteristic of the 158S peak of the 12-day-old embryo but not of the 15-day-old control, is still retained in the operated embryo at 15 days. Therefore, it appears that after day 12 of embryogenesis the structure of the four-ribosome polysome from skin and feathers is contingent on a functional hypophysis.
手术切除垂体对孵化12天的鸡胚皮肤和羽毛多核糖体的分布或形态几乎没有明显影响。然而，来自15日龄垂体切除胚胎的多核糖体模式与对照组明显不同。此外，一种呈四分体形状的多核糖体，是12日龄胚胎158S峰的特征，但不是15日龄对照组的特征，在15日龄的手术胚胎中仍然保留。因此，似乎在胚胎发育第12天之后，皮肤和羽毛的四核糖体多核糖体结构取决于功能性垂体。
