| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,761,962,453 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
purified protein derivative |
Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia, Hutchinson | 0.03 sec. |
|
purified protein derivative (PPD) [pyo̅o̅′rifīd] a dried form of tuberculin used in testing for past or present infection with tubercle bacilli. This product is usually introduced into the skin during such tests and may produce a tuberculin reaction (wheal) within 48 to 72 hours. See also tuberculin test, tuberculosis. purified protein derivative see purified protein derivative of tuberculin. Patient discussion about purified protein derivative. Q. What exactly is PPD? I heard it is a substance in hair color and that some women are allergic to it How can I know if I’m allergic to it? A. That sounds nasty... so how can I know if i'm allergic to it or not? Read more or ask a question about purified protein derivativeHow to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| Medical browser | ? | ? Full browser | |||
|---|---|---|---|---|---|
purgation purgative purge purging purging behavior purification purified cotton purified protein derivative purified protein derivative of tuberculin purified protein fraction purine purine analogue purine base purine nucleoside phosphorylase deficiency purine-free diet |
| ||||
| Medical Dictionary |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|