Volpe E P, Turpen J B
Transplant Proc. 1977 Mar;9(1):785-88.
The generalization that the developing vertebrate thymus is colonized by circulating stem cells that originate in the yolk sac blood islands is questionable. The view that the yolk sac is the primary source of thymic lymphocytes is based largely on inferences drawn from experimental protocols that are highly artificial.
认为发育中的脊椎动物胸腺是由起源于卵黄囊血岛的循环干细胞定植的这一普遍观点是值得怀疑的。认为卵黄囊是胸腺淋巴细胞主要来源的观点,很大程度上是基于从高度人为的实验方案中得出的推论。