The transitional zone gets its name because it contains transitional cells which are also found in the bladder.

之所以被称为移行区，是因为这里有移行细胞；移行细胞也出现在膀胱。

These tumors are made of transitional cells which can usually be found in the lining of the bladder.

这类肿瘤是由移行细胞癌化而来的，通常存在于膀胱内壁。

Finally there are transitional cell tumors which are also called Brenner tumors, named after the german pathologist, Fritz Brenner who first discovered them.

最后是移行细胞肿瘤，也被称作布伦内罗氏瘤，是以它的发现者、德国病理学家Fritz Brenner命名的。

These typically arise from other cell types in the prostate, for example, transitional cell carcinoma arises from cells in the transitional zone, and small cell prostate cancer arises from neuroendocrine cells.

它们一般起源于其他类型的前列腺细胞，例如移行细胞癌起源于移行带，前列腺小细胞癌起源于神经内分泌细胞。

Serous and mucinous tumors arise from epithelial cells that line the outside of ovaries, whereas even though the tumors are found in the epithelium, the endometrioid and transitional cell tumors arise from other cell types.

浆液性和黏液性肿瘤是由卵巢外侧上皮细胞癌变引起的，而虽然这两种癌症都来自上皮的癌变，内膜样和移行性肿瘤却来自其他类型的细胞。