— collagenous /keuh laj"euh neuhs/ , adj.
/kol"euh jeuhn/ , n. Biochem.
any of a class of extracellular proteins abundant in higher animals, esp. in the skin, bone, cartilage, tendon, and teeth, forming strong insoluble fibers and serving as connective tissue between cells, yielding gelatin when denatured by boiling.
[ 1860-65; kólla glue + -GEN ]