gelatinous

Two cell layers (diploblastic) separated by a gelatinous mesoglea.

两层细胞(两胚层)，中胶状中胶层。

But the only choices hae been glass labware and a product called Matrigel, a gelatinous protein mixture secreted by mouse tumor cells.

但，玻璃材质试验器皿唯一选择，另外就基质胶，一种由大鼠肿瘤细胞产生胶状蛋白混合分泌物。