bacillary dysentery细菌性痢疾bacteremia菌血症bacterium(Pl．bacteria)细菌bacertial culture细菌培养bacteral food poisoning细菌性食物中毒bacterial infectious diseades细菌性传染病basal diet基础饮食biopsy活组织检查bleeding tendency出血倾向biologicals生物制品biphasic fever双相热blood picture;blood figure血像bloody stool血便bordetella鲍特杆菌属borrelia包柔氏螺旋体属borrlia obermeieri欧伯门亚螺旋体borrelia recurrentis回归热螺旋体botulism肉毒中毒Brill-Zinsser disease勃秦氏病（复发性斑疹伤寒）brucellosis布鲁氏菌病brudzinski’s sign布鲁辛征Brugia malayi马来丝虫brugia timori帝纹丝虫