| D002404 |
Catheterization |
Use or insertion of a tubular device into a duct, blood vessel, hollow organ, or body cavity for injecting or withdrawing fluids for diagnostic or therapeutic purposes. It differs from INTUBATION in that the tube here is used to restore or maintain patency in obstructions. |
Cannulation,Cannulations,Catheterizations |
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| D004724 |
Endoscopy |
Procedures of applying ENDOSCOPES for disease diagnosis and treatment. Endoscopy involves passing an optical instrument through a small incision in the skin i.e., percutaneous; or through a natural orifice and along natural body pathways such as the digestive tract; and/or through an incision in the wall of a tubular structure or organ, i.e. transluminal, to examine or perform surgery on the interior parts of the body. |
Endoscopic Surgical Procedures,Surgical Procedures, Endoscopic,Endoscopic Surgical Procedure,Endoscopy, Surgical,Surgical Endoscopy,Surgical Procedure, Endoscopic,Procedure, Endoscopic Surgical,Procedures, Endoscopic Surgical |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D014525 |
Urethral Stricture |
Narrowing of any part of the URETHRA. It is characterized by decreased urinary stream and often other obstructive voiding symptoms. |
Urethral Stenosis,Anterior Urethral Stricture,Posterior Urethral Stricture,Urethral Stricture, Anterior,Urethral Stricture, Posterior,Anterior Urethral Strictures,Posterior Urethral Strictures,Stenoses, Urethral,Stenosis, Urethral,Stricture, Urethral,Strictures, Urethral,Urethral Stenoses,Urethral Strictures,Urethral Strictures, Anterior,Urethral Strictures, Posterior |
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| D019370 |
Observation |
The act of regarding attentively and studying facts and occurrences, gathering data through analyzing, measuring, and drawing conclusions, with the purpose of applying the observed information to theoretical assumptions. Observation as a scientific method in the acquisition of knowledge began in classical antiquity; in modern science and medicine its greatest application is facilitated by modern technology. Observation is one of the components of the research process. |
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