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Biological and Environmental Research Ontology
Last uploaded:
December 23, 2022
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| Id | http://purl.obolibrary.org/obo/NCIT_C390
http://purl.obolibrary.org/obo/NCIT_C390
|
|---|---|
| Preferred Name | Contrast Agent |
| Definitions |
Substances administered during imaging procedures that allows delineation of internal structures. Contrast agents appear opaque due to the difference in absorption of X-rays or other electromagnetic waves and surrounding tissue.
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| Type | http://www.w3.org/2002/07/owl#Class |
All Properties
| definition | Substances administered during imaging procedures that allows delineation of internal structures. Contrast agents appear opaque due to the difference in absorption of X-rays or other electromagnetic waves and surrounding tissue. |
|---|---|
| label |
Contrast Agent
|
| prefLabel |
Contrast Agent
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| Legacy Concept Name |
Contrast_Agent
|
| in_subset | |
| Preferred_Name |
Contrast Agent
|
| Display_Name |
Contrast Agent
|
| DesignNote |
Positive contrast agents have greater absorption and structures appear light. Negative contrast agents have a lesser degree of absorption and structures appear dark.
|
| UMLS_CUI |
C0009924
|
| prefixIRI |
NCIT:C390
|
| Contributing_Source |
CTRP
NICHD
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| subClassOf | |
| code |
C390
|
| type | |
| ALT_DEFINITION |
A dye or other substance that helps show abnormal areas inside the body. It is given by injection into a vein, by enema, or by mouth. Contrast material may be used with x-rays, CT scans, MRI, or other imaging tests.
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| Semantic_Type |
Indicator, Reagent, or Diagnostic Aid
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