Any of various gram-negative,rod-shaped,often pathogenic bacteria of the genus Streptobacillus,occurring in chains,especially S. moniliformis,which causes a type of rat-bite fever.

• 链杆菌，一种革兰氏阴性的杆状，经常为单性生殖细菌链杆菌属，呈链形，尤指引起一种鼠咬热的念珠形链杆菌。