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Nodes
Browse canonical concepts by label, domain, node type, prefix and encoded class.
Current membership scope: Domain and all descendants
| Concept | Node type | Base domain | Matched membership | Identifier |
|---|---|---|---|---|
| Limit of Detection Concentration or quantity that is derived from the smallest measure that can be detected with reasonable certainty for a given analytical procedure. | Instrument calibration method | Laboratory Medicine | Laboratory Medicine [base] | AMW:TECH:050430 |
| Limulus Test Sensitive method for detection of bacterial endotoxins and endotoxin-like substances that depends on the in vitro gelation of Limulus amebocyte lysat… | Immunologic test | Laboratory Medicine | Laboratory Medicine [base] | AMW:TECH:010040 |
| Linguine sign breast-MRI sign of intracapsular breast implant rupture; signal strands are the implant shell floating in silicone | Radiological Sign | Radiology | Radiology [base] | AMW:RAD:110156 |
| Lingula Lingula of left upper lobe. | Radiological Sign | Radiology | Radiology [base] | AMW:RAD:020076 |
| Lipid Accumulation Product An index for monitoring the accumulation of lipids based on the WAIST CIRCUMFERENCE measurement and the level of TRIGLYCERIDES circulating in the blo… | Biochemical test | Laboratory Medicine | Laboratory Medicine [base] | AMW:TECH:010716 |
| Liquid Biopsy Obtaining material for pathological examination and analysis, from bodily fluids. Material retrieved includes CELL-FREE NUCLEIC ACIDS; CELL-DERIVED M… | Histopathology method | Pathology | Laboratory Medicine [role_derived] | AMW:TECH:010080 |
| Liquid Chromatography-Mass Spectrometry A microanalytical technique combining mass spectrometry and liquid chromatography for the qualitative as well as quantitative determinations of compo… | Chromatography method | Laboratory Medicine | Laboratory Medicine [base] | AMW:TECH:050065 |
| Liquid Phase Microextraction Miniaturized methods of liquid-liquid extraction. | Analytical chemistry method | Laboratory Medicine | Laboratory Medicine [base] | AMW:TECH:050042 |
| Liquid-Liquid Extraction The removal of a soluble component from a liquid mixture by contact with a second liquid, immiscible with the carrier liquid, in which the component … | Analytical chemistry method | Laboratory Medicine | Laboratory Medicine [base] | AMW:TECH:050041 |
| Liver Hepatic shadow/upper liver margin beneath right hemidiaphragm. | Radiological Sign | Radiology | Radiology [base] | AMW:RAD:020030 |
| Liver Function Tests Blood tests that are used to evaluate how well a patient's liver is working and also to help diagnose liver conditions. | Functional investigation | Investigation | Investigation [base] | AMW:TECH:010508 |
| Lobar Consolidation Radiological opacity involving a lung lobe, classically associated with lobar pneumonia. | Radiological Sign | Radiology | Radiology [base] | AMW:RAD:115001 |
| Local Field Potential Measurement Recording of brain electrical activities recorded by a small-size electrode in the brain. It measures electric potential in the extracellular medium … | Diagnostic concept | Investigation | Investigation [base] | AMW:TECH:010527 |
| Local Lymph Node Assay The local lymph node assay (LLNA) is an alternative method for the identification of chemicals that have the ability to cause skin sensitization and … | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010206 |
| Loosers zone | Radiological Sign | Radiology | Radiology [base] | AMW:RAD:110345 |
| Low-Grade Proteinuria Low-grade proteinuria used as a ClinicalGraph target concept for lab_medicine / lab_finding. | Laboratory Finding | Laboratory Medicine | Laboratory Medicine [base] | AMW:FIND:120016 |
| LSCA, indentation of coarct and post stenotic aortic dilatation form "3" Football Signoval shaped lucency of large - pneumoperitoneum seen on supine abdominal radiographs usually in infa… | Radiological Sign | Radiology | Radiology [base] | AMW:RAD:110095 |
| Luftsichel sign sickle-shaped, over expanded superior segment of LLL interposed between aortic arch and atelectatic LUL | Radiological Sign | Radiology | Radiology [base] | AMW:RAD:110150 |
| Lumbar vertebrae lumbar vertebral column segment | Radiological Anatomy | Radiology | Radiology [base] | AMW:RAD:030023 |
| Lumbosacral symphysis L5–S1 disc joint | Radiological Anatomy | Radiology | Radiology [base] | AMW:RAD:030079 |
| Luminescent Measurements Techniques used for determining the values of photometric parameters of light resulting from LUMINESCENCE. | Analytical chemistry method | Laboratory Medicine | Laboratory Medicine [base] | AMW:TECH:050122 |
| Lung Compliance The capability of the LUNGS to distend under pressure as measured by pulmonary volume change per unit pressure change. While not a complete descripti… | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010613 |
| Lung Volume Measurements Measurement of the amount of air that the lungs may contain at various points in the respiratory cycle. | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010614 |
| Lung Zones (Upper/Middle/Lower) Division of lungs into upper, middle, and lower zones on a PA CXR for systematic description. | Radiological Sign | Radiology | Radiology [base] | AMW:RAD:020010 |
| Lymph Node Ratio The ratio of metastatic to total examined LYMPH NODES. | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010087 |
| Lymphocyte Activation Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mi… | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010175 |
| Lymphocyte Culture Test, Mixed Measure of histocompatibility at the HL-A locus. Peripheral blood lymphocytes from two individuals are mixed together in tissue culture for several d… | Microbiology test | Laboratory Medicine | Investigation [role_derived], Laboratory Medicine [base] | AMW:TECH:010170 |
| Lymphocyte-Predominant Cerebrospinal Fluid Pleocytosis Increased cerebrospinal fluid leukocytes with lymphocyte predominance. | Laboratory Finding | Laboratory Medicine | Laboratory Medicine [assigned] | AMW:FIND:140022 |
| Lymphography Radiographic study of the lymphatic system following injection of dye or contrast medium. | Physiologic measurement | Investigation | Investigation [base] | AMW:TECH:010378 |
| Lymphoscintigraphy Radionuclide imaging of the LYMPHATIC SYSTEM. | Imaging Investigation | Radiology | Radiology [base] | AMW:TECH:010407 |