这些细胞分泌一种被称为音猬因子的蛋白质，这些蛋白质会向外扩散到其他细胞中。

These cells make a protein called sonic hedgehog, which diffuses outward to other cells.

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真核细胞的内吞和分泌途径中蛋白质和脂类的运输主要由膜泡运输介导。

The transport of proteins and lipids between eukaryotic cells via endocytosis and secretion is mainly facilitated by vesicular trafficking.

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雄性附腺表面的刺突间有内含物，腺管中分泌细胞中含有丰富的粗面内质网、线粒体、溶酶体，同样表明蛋白质分泌功能较强。

The space between the spikes in the male accessory gland had inclusion. Many rough endoplasmic reticulum, mitochondrium and lysosome existed in the secretory cell of gland lumen.

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Well, insulin is a protein, it's produced by cells in the pancreas, it circulates in your blood.

胰岛素是一种蛋白质,由胰腺细胞分泌,随着血液不断在体内循环

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