diphtheria, tetanus toxoids, and pertussis vaccine
A vaccine available in three forms: diphtheria and tetanus toxoids plus pertussis vaccine; tetanus-diphtheria toxoids, adult type; and tetanus toxoids; used for active immunization against diphtheria, tetanus, and whooping cough.
When Did “Chemical” Become Such A Toxic Word?When people see the word chemical, it tends to inspire fear, but should it?
Why Do “Left” And “Right” Mean Liberal And Conservative?During election seasons the words left and right denote political affiliation more than spatial direction. But where do these associations come from? The left hand has long been associated with deviance. The word “sinister” originally meant “to the left” in Latin. The word “left” comes from the Old English word lyft, which literally meant “weak, foolish.” To avoid the negative and superstitious associations of the …
- diphtheria antitoxin,
- diphtheritic membrane,
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.