Observation on ultrastructure showed where the collagenous fibrils were intact , fibrioblast with active function were found in hypodermatic connective tissues , the basal lamina were intact , the epidermoid cells were well differentiated .
Tendons are formed of heary collagenous bundles and delicate cross fibers .
肌腱是由大量成胶束及致密交叉的纤维所构成。
So far , many reports have indicated that extracellular matrix accumulation in connective tissue , particularly the collagenous component , played the important roles in gingival overgrowth .