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回复 lmh_yixue 的帖子+ Z0 Z: b! f7 M7 p$ s0 S7 Q
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第一张明显是简质细胞,mesenchymal cells 的形态学特征这里有详细的描述:( h% i7 d: q; v. [
Mesenchymal stem cells are characterized morphologically by a small cell body with a few cell processes that are long and thin. The cell body contains a large, round nucleus with a prominent nucleolus, which is surrounded by finely dispersed chromatin particles, giving the nucleus a clear appearance. The remainder of the cell body contains a small amount of Golgi apparatus, rough endoplasmic reticulum, mitochondria, and polyribosomes. The cells, which are long and thin, are widely dispersed and the adjacent extracellular matrix is populated by a few reticular fibrils but is devoid of the other types of collagen fibrils.* k! U6 h8 S2 I+ O# c4 U
6 g9 v& V# i7 r腺细胞了解不是很多,不过据报道是呈柱状排列。 |
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