| D007440 |
Intubation |
Introduction of a tube into a hollow organ to restore or maintain patency if obstructed. It is differentiated from CATHETERIZATION in that the insertion of a catheter is usually performed for the introducing or withdrawing of fluids from the body. |
Intubations |
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| D009609 |
Nitrous Oxide |
Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream. |
Laughing Gas,Nitrogen Protoxide,Gas, Laughing,Oxide, Nitrous |
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| D011095 |
Polyethylenes |
Synthetic thermoplastics that are tough, flexible, inert, and resistant to chemicals and electrical current. They are often used as biocompatible materials for prostheses and implants. |
Ethylene Polymers,Ethene Homopolymers,Homopolymers, Ethene,Polymers, Ethylene |
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| D004427 |
Ear Diseases |
Pathological processes of the ear, the hearing, and the equilibrium system of the body. |
Otologic Diseases,Otological Diseases,Disease, Ear,Disease, Otologic,Disease, Otological,Ear Disease,Otologic Disease,Otological Disease |
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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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| D000768 |
Anesthesia, General |
Procedure in which patients are induced into an unconscious state through use of various medications so that they do not feel pain during surgery. |
Anesthesias, General,General Anesthesia,General Anesthesias |
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| D014432 |
Tympanic Membrane |
An oval semitransparent membrane separating the external EAR CANAL from the tympanic cavity (EAR, MIDDLE). It contains three layers: the skin of the external ear canal; the core of radially and circularly arranged collagen fibers; and the MUCOSA of the middle ear. |
Eardrum,Eardrums,Membrane, Tympanic,Membranes, Tympanic,Tympanic Membranes |
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