The net effect of a ruffled border is to increase the cell surface area for contact with the collagen fibrils and apatite crystals being resorbed.

• 与骨组织相贴的部位（破坏和吸收进行的部位）表面凹凸不平，这样可以增加与骨基质的接触面积，有利于分解吸收胶原纤维和磷石灰盐成分。