00000nz a2200000n 4500 001 KSH1999017571 005 19990619125332 008 990619 n azknn|abn |a a|a | 150 ▼a외질[外質]▲ 550 ▼wg▼a세포질[細胞質]▲ 550 ▼a내질[內質]▲