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Browse canonical concepts by label, domain, node type, prefix and encoded class.

1,942 results

Current membership scope: Domain and all descendants

ConceptNode typeBase domainMatched membershipIdentifier
Fishhook ureterRadiological SignRadiologyRadiology [base]AMW:RAD:110329
Fishooking of UreterJ
shaped appearance of distal - ureter from enlargement of prostate and elevation of trigone usually in BPH
Radiological SignRadiologyRadiology [base]AMW:RAD:110097
Flame
shaped Breastbreast tissue in the subareolar -
Radiological SignRadiologyRadiology [base]AMW:RAD:110098
Flame Ionization
Pyrolysis of organic compounds at the temperature of a hydrogen-air flame to produce ionic intermediates which can be collected and the resulting ion…
Analytical chemistry methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050048
Flat waist signRadiological SignRadiologyRadiology [base]AMW:RAD:110400
Flicker Fusion
The point or frequency at which all flicker of an intermittent light stimulus disappears.
Diagnostic conceptInvestigationInvestigation [base]AMW:TECH:010567
Floating teethRadiological SignRadiologyRadiology [base]AMW:RAD:110401
Flocculation
The aggregation of suspended solids into larger clumps.
Analytical chemistry methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050035
Flocculation Tests
Precipitin tests which occur over a narrow range of antigen-antibody ratio, due chiefly to peculiarities of the antibody (precipitin). (From Stedman,…
Immunologic testLaboratory MedicineLaboratory Medicine [base]AMW:TECH:010190
Flow Cytometry
Technique using an instrument system for making, processing, and displaying one or more measurements on individual cells obtained from a cell suspens…
Cytology methodPathologyLaboratory Medicine [role_derived]AMW:TECH:010066
Flow Injection Analysis
The analysis of a chemical substance by inserting a sample into a carrier stream of reagent using a sample injection valve that propels the sample do…
Analytical chemistry methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050109
Fluorescein Angiography
Visualization of a vascular system after intravenous injection of a fluorescein solution. The images may be photographed or televised. It is used esp…
Imaging InvestigationRadiologyRadiology [base]AMW:TECH:010451
Fluorescence Polarization
Measurement of the polarization of fluorescent light from solutions or microscopic specimens. It is used to provide information concerning molecular …
Analytical chemistry methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050125
Fluorescence Polarization Immunoassay
Fluoroimmunoassay where detection of the hapten-antibody reaction is based on measurement of the increased polarization of fluorescence-labeled hapte…
Immunologic testLaboratory MedicineLaboratory Medicine [base]AMW:TECH:010105
Fluorescence Recovery After Photobleaching
A method used to study the lateral movement of MEMBRANE PROTEINS and LIPIDS. A small area of a cell membrane is bleached by laser light and the amoun…
Molecular biology methodResearch MethodologyLaboratory Medicine [role_derived]AMW:TECH:050126
Fluorescence Resonance Energy Transfer
A type of FLUORESCENCE SPECTROSCOPY using two FLUORESCENT DYES with overlapping emission and absorption spectra, which is used to indicate proximity …
Molecular biology methodResearch MethodologyLaboratory Medicine [role_derived]AMW:TECH:050129
Fluorescent Antibody Technique
Test for tissue antigen using either a direct method, by conjugation of antibody with fluorescent dye (FLUORESCENT ANTIBODY TECHNIQUE, DIRECT) or an …
Microbiology testLaboratory MedicineInvestigation [role_derived], Laboratory Medicine [base]AMW:TECH:010100
Fluorescent Antibody Technique, Direct
A form of fluorescent antibody technique utilizing a fluorochrome conjugated to an antibody, which is added directly to a tissue or cell suspension f…
Microbiology testLaboratory MedicineInvestigation [role_derived], Laboratory Medicine [base]AMW:TECH:010102
Fluorescent Antibody Technique, Indirect
A form of fluorescent antibody technique commonly used to detect serum antibodies and immune complexes in tissues and microorganisms in specimens fro…
Microbiology testLaboratory MedicineInvestigation [role_derived], Laboratory Medicine [base]AMW:TECH:010103
Fluorescent Treponemal Antibody-Absorption Test
Serologic assay that detects antibodies to Treponema pallidum, the etiologic agent of syphilis. After diluting the patient's serum to remove non-spec…
Microbiology testLaboratory MedicineInvestigation [role_derived], Laboratory Medicine [base]AMW:TECH:010199
Fluorine-19 Magnetic Resonance Imaging
Magnetic resonance imaging diagnostic technique which uses fluorine-19 perfluorocarbon probes and contrast agents for high resolution image detection…
Imaging InvestigationRadiologyRadiology [base]AMW:TECH:010427
Fluoroimmunoassay
The use of fluorescence spectrometry to obtain quantitative results for the FLUORESCENT ANTIBODY TECHNIQUE. One advantage over the other methods (e.g…
Immunologic testLaboratory MedicineLaboratory Medicine [base]AMW:TECH:010104
Fluorometry
An analytical method for detecting and measuring FLUORESCENCE in compounds or targets such as cells, proteins, or nucleotides, or targets previously …
Analytical chemistry methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050124
Fluorophotometry
Measurement of light given off by fluorescein in order to assess the integrity of various ocular barriers. The method is used to investigate the bloo…
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010568
Fluoroscopy
Production of an image when x-rays strike a fluorescent screen.
Imaging InvestigationRadiologyRadiology [base]AMW:TECH:010374
Focused Assessment with Sonography for Trauma
Rapid bedside ultrasound examination performed by medical personnel (surgeons, emergency physicians, paramedics and others), as a screening test for …
Imaging InvestigationRadiologyRadiology [base]AMW:TECH:010435
Food Analysis
Measurement and evaluation of the components of substances to be taken as FOOD.
Analytical chemistry methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050471
Football signRadiological SignRadiologyRadiology [base]AMW:RAD:110330
Forced Expiratory Flow Rates
The rate of airflow measured during a FORCED VITAL CAPACITY determination.
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010629
Forensic Imaging
The use of various imaging and image enhancement techniques in forensic investigative disciplines. It often includes FORENSIC MEDICINE platforms such…
Imaging InvestigationRadiologyRadiology [base]AMW:TECH:010284