intradermal test
- noun
- /ˌɪntrəˈdɜrməl tɛst/
- Specialized
- Individual scratch or intradermal tests were considered to be positive when either the wheal or flare was at least 5 mm larger than the negative diluent control.
Examples
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The doctor performed an intradermal test to check for allergies to certain substances.
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After the intradermal test, the nurse observed the injection site for any signs of an allergic reaction.
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During the procedure, an intradermal test was used to determine if the patient was allergic to latex.
Synonyms
A medical test that puts a small amount of something on the skin to check for allergy or past infection
How Invasive
- Specialized
- Specialized
- Specialized
- Specialized
Surface Forms
Morphology
The meaning is directly compositional: 'intradermal' means 'within the skin' and 'test' means an examination, so a learner who knows both words can infer this is a test performed into the skin (e.g. by injection). This morphological formation is regular and mirrors medical terminology in many languages, so the sense is immediately derivable from its parts.
Etymology
Intradermal test literally combines intra, meaning 'inside', and dermal, meaning 'skin'. In this test a tiny amount of a substance is put just under the skin to see if it causes a reaction, so the name tells you it checks for an allergy 'inside the skin'.