| NET | nasoendotracheal tube; nerve excitability test; neuroectodermal tumor; neuroendocrine tumor; norepin... |
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| NGT | nasogastric tube; nominal group technique; normal glucose tolerance |
| NTD | neural tube defect; nitroblue tetrazolium dye; noise tone difference; 5'-nucleotidase |
| OTT | orotracheal tube |
| PET | peak ejection time; polyethylene terphthalate; poor exercise tolerance; positron emission tomography... |
| empyema tube | A rubber drainage tube, piercing a sheet rubber shield, passed through the chest wall in order to drain an empyema. (05 Mar 2000) |
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| Toynbee's tube | A tube by which an otologist can listen to the sounds in a patient's ear during politzerization. (05 Mar 2000) |
| tracheal tube | A flexible tube inserted nasally, orally, or through a tracheotomy into the trachea to provide an airway, as in tracheal intubation. Synonym: endotracheal tube, intratracheal tube. (05 Mar 2000) |
| tracheostomy tube | A 2- to 3-inch metal or plastic tube that keeps the stoma and trachea open. Also called a trach ( trake ) tube. (12 Dec 1998) |
| tracheotomy tube | A curved tube used to keep the opening free after tracheotomy. May be metal or plastic. (05 Mar 2000) |
| endobronchial tube | A single or double lumen tube with an inflatable cuff at the distal end that, after being passed through the larynx and trachea, is positioned so that ventilation is restricted to one lung; a single lumen tube is placed in the main stem bronchus of the lung; a double lumen tube is positioned at the tracheal carina to permit ventilation of either or both lungs. (05 Mar 2000) |
| endotracheal tube | A flexible tube inserted nasally, orally, or through a tracheotomy into the trachea to provide an airway, as in tracheal intubation. Synonym: endotracheal tube, intratracheal tube. (05 Mar 2000) |
| T tube | A self-retaining tube with side extensions, shaped like a tube. (05 Mar 2000) |
| tube | An elongated hollow cylindrical organ or instrument. Origin: L. Tubus (18 Nov 1997) |
| tube cast | Any type of cast formed in a renal tubule, and found in the urine consisting of various materials, e.g., albumin, cells, blood. Synonym: tube cast. (05 Mar 2000) |
| tube curare | (curare stored in bamboo tubes), curare from Chondodendron sp.; not highly poisonous; contains the alkaloid tubocurarine. (05 Mar 2000) |
| tube-nosed | <ornithology> Having the nostrils prolonged in the form of horny tubes along the sides of the beak; said of certain sea birds. Belonging to the Tubinares. Source: Websters Dictionary (01 Mar 1998) |
| tube-shell | <zoology> Any bivalve mollusk which secretes a shelly tube around its siphon, as the watering-shell. Source: Websters Dictionary (01 Mar 1998) |
| tube teeth | Artificial teeth constructed with a vertical, cylindric aperture extending from the centre of the base up into the body of the tooth into which a pin may be placed or cast for the attachment of the tooth to a denture base. (05 Mar 2000) |
| eustachian tube | <anatomy> A tube that connects the pharynx to the middle ear space allowing for equalisation of pressure across the eardrum. (27 Sep 1997) |