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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
Aortic Nipple
bump caused by left superior intercostal vein as it wraps around outer edge of aorta
Radiological SignRadiologyRadiology [base]AMW:RAD:110008
Aortic unfoldingRadiological SignRadiologyRadiology [base]AMW:RAD:110302
Aortography
Radiographic visualization of the aorta and its branches by injection of contrast media, using percutaneous puncture or catheterization procedures.
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010368
Aortopulmonary stripe
Aortopulmonary stripe along left mediastinal border.
Radiological SignRadiologyRadiology [base]AMW:RAD:020040
Aortopulmonary window
Concavity between aortic arch and pulmonary artery (AP window).
Radiological SignRadiologyRadiology [base]AMW:RAD:020034
Apex of lung
Lung apex region.
Radiological SignRadiologyRadiology [base]AMW:RAD:020067
Apex of sacrum
inferior end of sacrum
Radiological AnatomyRadiologyRadiology [base]AMW:RAD:030038
Apley grind test
manoeuvres to elicit knee pain
Provocative testInvestigationInvestigation [base]AMW:DIA:115002
Apple Core
appearance of an annular constricting carcinoma of the bowel, usually the colon, from circumferential involvement of lumen
Radiological SignRadiologyRadiology [base]AMW:RAD:110009
Arch of azygos vein
Azygos arch contour entering SVC.
Radiological SignRadiologyRadiology [base]AMW:RAD:020051
Arneth count
lobulation of neutrophil nuclei
Diagnostic countLaboratory MedicineLaboratory Medicine [base]AMW:INV:115002
Arterial Blood Gas Analysis
Analysis of arterial blood to assess oxygenation, ventilation, pH, and acid-base status.
InvestigationInvestigationInvestigation [base]AMW:INV:115006
Arterial Partial Pressure of Oxygen
Arterial oxygen pressure, PaO2, is an arterial blood gas parameter used to assess oxygenation.
ParameterLaboratory MedicineLaboratory Medicine [base]AMW:PARAM:185002
artery from hilar mass on chest x
ray; mass superimposes on vessels
Radiological SignRadiologyRadiology [base]AMW:RAD:110119
Arthrocentesis
Puncture and aspiration of fluid (e.g., SYNOVIAL FLUID) from a joint cavity. It is used sometimes to irrigate or administer drugs into a joint cavity.
Specimen collection procedureLaboratory MedicineLaboratory Medicine [base]AMW:TECH:010260
Arthrography
Roentgenography of a joint, usually after injection of either positive or negative contrast medium.
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010372
Arthrometry, Articular
Measurements of joint flexibility (RANGE OF MOTION, ARTICULAR), usually by employing an angle-measuring device (arthrometer). Arthrometry is used to …
Diagnostic conceptInvestigationInvestigation [base]AMW:TECH:010746
Arthroscopy
Endoscopic examination, therapy and surgery of the joint.
Diagnostic procedureInvestigationInvestigation [base]AMW:TECH:010644
Artifacts
Any visible result of a procedure which is caused by the procedure itself and not by the entity being analyzed. Common examples include histological …
Specimen processing methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050010
Artificial Gene Fusion
The in vitro fusion of GENES by RECOMBINANT DNA techniques to analyze protein behavior or GENE EXPRESSION REGULATION, or to merge protein functions f…
Molecular biology methodResearch MethodologyLaboratory Medicine [role_derived]AMW:TECH:050487
Ascending Aorta
Ascending aorta contour on CXR.
Radiological SignRadiologyRadiology [base]AMW:RAD:020024
Aschheim–Zondek test
oestral reaction in mouse injected with pregnant urine
Laboratory TestLaboratory MedicineInvestigation [role_derived], Laboratory Medicine [base]AMW:INV:115003
Audiometry
The testing of the acuity of the sense of hearing to determine the thresholds of the lowest intensity levels at which an individual can hear a set of…
Functional investigationInvestigationInvestigation [base]AMW:TECH:010587
Audiometry, Evoked Response
A form of electrophysiologic audiometry in which an analog computer is included in the circuit to average out ongoing or spontaneous brain wave activ…
Functional investigationInvestigationInvestigation [base]AMW:TECH:010588
Audiometry, Pure-Tone
Measurement of hearing based on the use of pure tones of various frequencies and intensities as auditory stimuli.
Functional investigationInvestigationInvestigation [base]AMW:TECH:010589
Audiometry, Speech
Measurement of the ability to hear speech under various conditions of intensity and noise interference using sound-field as well as earphones and bon…
Functional investigationInvestigationInvestigation [base]AMW:TECH:010590
Autoanalysis
Method of analyzing chemicals using automation.
Analytical chemistry methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050011
Autopsy
Postmortem examination of the body.
Histopathology methodPathologyLaboratory Medicine [role_derived]AMW:TECH:010017
Autoradiography
The making of a radiograph of an object or tissue by recording on a photographic plate the radiation emitted by radioactive material within the objec…
Imaging InvestigationRadiologyRadiology [base]AMW:TECH:010162
Axenic Culture
Culture of an isolated organism free from any other associating or contaminating organisms.
Microbiology testLaboratory MedicineInvestigation [role_derived], Laboratory Medicine [base]AMW:TECH:010213