00000nz a2200000n 4500 001 KSH1998014672 005 20021018000000 008 980429 n azknn|abn |a a|a | 150 ▼a골세포[骨細胞]▲ 450 ▼wr▼i영어▼abone cell▲ 550 ▼wg▼a세포(생물)[細胞]▲ 550 ▼a골 모세포[骨母細胞]▲ 550 ▼a뼈[骨]▲