That matrix has properties that vary in different locations in the body, but basically it's a highly hydrated or water-rich gel.

这种基质的性质,随其所在身体部位的不同而不同,但基本是高度水合的,即富含水的凝胶

耶鲁公开课 - 生物医学工程探索课程节选

The extracellular matrix or the collagen gel gives the tissue integrity, and in part, determines its mechanical properties.

细胞外基质或者说胶原蛋白凝胶,使组织成为一个整体,在某种程度上,决定了组织的机械性能

耶鲁公开课 - 生物医学工程探索课程节选