英语语法分析

CCK activates MAPK in pancreatic acinar cells.

在胰腺腺泡细胞CCK可激活MAPK。

The acinar cells were negative for immunoreaction.

腺泡细胞呈免疫反应阴性。

Between the acinar cells, there are many intercellular secretory capillaries.

腺细胞间存在明显的细胞间分泌小管。