In a child the outer annular fibres attach to the edge of the cartilage plate; in an adolescent they attach to the ring apophysis; and in an adult they attach to the outer vertebral ring.

• 孩童时期，外围环状纤维附著在软骨板的边缘；青少年时期，附著在骨突环；成人时期，附著在外围椎骨环。