| 释义 |
DictionarySeecephalosporinfourth-generation cephalosporin
fourth-generation cephalosporinAny of a group of cephalosporin antibiotics possessing broad-spectrum activity They are zwitterions that can penetrate the outer membranes of gram-negative bacteria. Many can cross the blood-brain barrier and are used to treat meningitis. See also: cephalosporin |