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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
Crescent Sign (Hip)
subarticular radiolucency of - femoral head seen best on frog lateral in avascular necrosis
Radiological SignRadiologyRadiology [base]AMW:RAD:110055
Cross Circulation
The circulation in a portion of the body of one individual of blood supplied from another individual.
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:050663
Crosses, Genetic
Deliberate breeding of two different individuals that results in offspring that carry part of the genetic material of each parent. The parent organis…
Molecular biology methodResearch MethodologyLaboratory Medicine [role_derived]AMW:TECH:050491
Crowded Carpal Sign
overlap of the distal and proximal carpal rows in perilunate dislocation
Radiological SignRadiologyRadiology [base]AMW:RAD:110063
Crown-Rump Length
In utero measurement corresponding to the sitting height (crown to rump) of the fetus. Length is considered a more accurate criterion of the age of t…
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010709
Cryoelectron Microscopy
Electron microscopy involving rapid freezing of the samples. The imaging of frozen-hydrated molecules and organelles permits the best possible resolu…
Microscopy methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:010305
Cryopreservation
Preservation of cells, tissues, organs, or embryos by freezing. In histological preparations, cryopreservation or cryofixation is used to maintain th…
Microscopy methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:010127
Cryoultramicrotomy
The technique of using a cryostat or freezing microtome, in which the temperature is regulated to -20 degrees Celsius, to cut ultrathin frozen sectio…
Microscopy methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:010111
Crystallization
The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Diffraction methodResearch MethodologyLaboratory Medicine [role_derived]AMW:TECH:050068
Crystallography
The branch of science that deals with the geometric description of crystals and their internal arrangement. (McGraw-Hill Dictionary of Scientific and…
Diffraction methodResearch MethodologyLaboratory Medicine [role_derived]AMW:TECH:050069
Crystallography, X-Ray
The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Diffraction methodResearch MethodologyLaboratory Medicine [role_derived]AMW:TECH:050073
Crystalluria
Primarily a pathological, laboratory or structured observational finding rather than a disease entity.
Laboratory FindingLaboratory MedicineLaboratory Medicine [assigned]AMW:FIND:140029
CT abdomen
CT abdomen used as a ClinicalGraph target concept for investigation / investigation.
InvestigationInvestigationInvestigation [base]AMW:TECH:140020
CT Pulmonary Angiography
A contrast-enhanced CT investigation used to visualize pulmonary arteries, especially for suspected pulmonary embolism.
Imaging InvestigationRadiologyRadiology [base]AMW:INV:135002
Culdoscopy
Endoscopic examination, therapy or surgery of the female pelvic viscera by means of an endoscope introduced into the pelvic cavity through the poster…
Diagnostic procedureInvestigationInvestigation [base]AMW:TECH:010545
Culture Techniques
Methods of maintaining or growing biological materials in controlled laboratory conditions. These include the cultures of CELLS; TISSUES; organs; or …
Cell biology methodResearch MethodologyLaboratory Medicine [role_derived]AMW:TECH:050575
Cupola Sign
arcuate lucency superimposed on lower thoracic spine on a supine abdomen representing free air under the central diaphragmatic tendon
Radiological SignRadiologyRadiology [base]AMW:RAD:110064
Cycloaddition Reaction
Synthetic organic reactions that use reactions between unsaturated molecules to form cyclical products.
Diagnostic assayLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050177
Cystography
Radiography of the URINARY BLADDER.
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010403
Cystoscopy
Endoscopic examination, therapy or surgery of the urinary bladder.
Diagnostic procedureInvestigationInvestigation [base]AMW:TECH:010645
Cytodiagnosis
Diagnosis of the type and, when feasible, the cause of a pathologic process by means of microscopic study of cells in an exudate or other form of bod…
Cytology methodPathologyLaboratory Medicine [role_derived]AMW:TECH:010070
Cytogenetic Analysis
Examination of CHROMOSOMES to diagnose, classify, screen for, or manage genetic diseases and abnormalities. Following preparation of the sample, KARY…
Cytogenetic testLaboratory MedicineLaboratory Medicine [base]AMW:TECH:010088
Cytological Techniques
Methods used to study CELLS.
Cytology methodPathologyLaboratory Medicine [role_derived]AMW:TECH:010046
Cytopathogenic Effect, Viral
Visible morphologic changes in cells infected with viruses. It includes shutdown of cellular RNA and protein synthesis, cell fusion, release of lysos…
Cytology methodPathologyLaboratory Medicine [role_derived]AMW:TECH:010085
Cytophotometry
A method for the study of certain organic compounds within cells, in situ, by measuring the light intensities of the selectively stained areas of cyt…
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010093
Cytotoxicity Tests, Immunologic
The demonstration of the cytotoxic effect on a target cell of a lymphocyte, a mediator released by a sensitized lymphocyte, an antibody, or complemen…
Immunologic testLaboratory MedicineLaboratory Medicine [base]AMW:TECH:010166
Dacryocystography
An image guided examination of the NASOLACRIMAL APPARATUS including NASOLACRIMAL DUCT.
Physiologic measurementInvestigationInvestigation [base]AMW:TECH:010283
Dagger Sign
dense line caused by ossification of supraspinous and interspinous ligaments in ankylosing spondylitis
Radiological SignRadiologyRadiology [base]AMW:RAD:110084
Data Accuracy
A measure of scientific precision, exactness, or correctness of quantitative or qualitative values, relative to the actual or true measurements.
Instrument calibration methodLaboratory MedicineLaboratory Medicine [base]AMW:TECH:050220
Decalcification Technique
Removal of minerals from bones during bone examination.
Histopathology methodPathologyLaboratory Medicine [role_derived]AMW:TECH:010163