Delbos M
C R Acad Hebd Seances Acad Sci D. 1975 Feb 17;280(7):893-5.
The mesonephretic blastema is formed by cells with a large nucleus, a dense cytoplasm containing few differentiated organelles. At the contact between the ureter and the mesonephretic blastema, the cells of the primary ureter have special characteristics: existence of an abundant "coat", numerous "villous processes" and a dense network of fibres of collagen.
中肾胚芽由细胞核大、细胞质致密且含少量分化细胞器的细胞构成。在输尿管与中肾胚芽的接触处,初级输尿管的细胞具有特殊特征:存在丰富的“包膜”、众多“绒毛状突起”以及密集的胶原纤维网络。