Td(redirected from TCH)
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a toxin treated by heat or chemical agent to destroy its deleterious properties without destroying its ability to combine with or stimulate the formation of antitoxin.
diphtheria toxoid a sterile preparation of formaldehyde-treated products of the growth of Corynebacterium diphtheriae, used as an active immunizing agent, generally in mixtures with tetanus toxoid and pertussis vaccine (DTP) or with tetanus toxoid alone (DT for pediatric use and Td, which contains less diphtheria toxoid, for adult use).
tetanus toxoid a sterile preparation of formaldehyde-treated products of the growth of Clostridium tetani, used as an active immunizing agent, either in mixtures with diphtheria toxoid and pertussis vaccine (DTP, DT, Td) or by itself (T).
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
TdAdult diphtheria and tetanus toxoids
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
Tetanus and diphtheria vaccine.
Mentioned in: Tetanus
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.