Cholangiocarcinomas do not make bile, but the cells do make mucin, and they can be almost impossible to distinguish from metastatic adenocarcinoma on biopsy or fine needle aspirate.

胆管癌不产生胆汁，但这些细胞生成粘蛋白，并很难与活检或针吸标本的转移性腺癌相区分。

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Therefore the cells look clear. The cancer cells originating from bile ducts often produce much mucin, however the clear cells in this case did not contain mucin, and had a little glycogen.

因此该种细胞看起来呈透明状，发源于胆管经常产生许多粘液，尽管如此该患者的透明细胞未包含粘液和只含有一些糖原。

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Conjunctival goblet cells and ocular surface epithelial cells, which are the main source of ocular surface mucin, appear to be under parasympathetic and sympathetic control.

眼表粘蛋白主要由结膜杯状细胞和角结膜上皮细胞分泌，这些细胞均受副交感神经和交感神经的支配。

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