柔韧性假单胞菌的一些集合具有直壁或极弱的多孔上部叶细胞。
There are some collections of P. flexilis with straight-walled or very weakly porose upper leaf cells.
绒毛水肿和滋养叶细胞增生无临床意义。
Villous edema and trophoblast of cell proliferation without clinical significance.
成纤维细胞是胚胎中胚层起源的间叶细胞。
Fibroblasts are mesenchymal cells which are derived from the embryonic mesoderm.
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