关节破坏的早期X线表现是 ["A．关节间隙增宽","B．关节间隙变窄","C．软骨下骨质破坏","D．骨端松质骨破坏","E．关节面糜烂"]
焰细胞
鉴别骨质软化与骨质疏松的X线表现是 ["A．骨小梁数目减少","B．骨小梁间隙增宽","C．骨小梁变细","D．骨皮质变薄，骨髓腔增宽","E．骨小梁骨皮质边缘模糊"]
下列不是儿童长骨结构的是 ["A．骨骺","B．骨端","C．干骺端","D．骨干","E．骨骺板"]
下列不是成人长骨结构的是 ["A．骨膜","B．骨皮质","C．骨髓腔","D．骨端","E．骨骺"]
两侧对称
