Osso奥苏牌手表OSSabbr.航天科学局(=Office of Space Sciences)；战略物资局(=Office of Strategic Services)；开放源代码软件(=Open Source Software)osseoalbuminoid骨硬蛋白ossa mastoideum[医] 颞骨乳突部ossa vesalianum[医] 第五跖骨粗隆(有时分离成单独骨)osseous lacunae[医] 骨腔隙osseous cochlea[医] 蜗螺旋管osseous ampulla骨壶腹ossa sesamoidea籽骨Ossified nodule骨化性结节ossific process骨化过程ossa sedentarium[医] 坐骨结节