| ETF | electron-transferring flavoprotein; eustachian tube function |
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| ETP | electron transport particle; entire treatment period; ephedrine, theophylline, phenobarbital; eustac... |
| ETT | endotracheal tube; epinephrine tolerance test; exercise tolerance test; exercise treadmill test; ext... |
| HTB | house tube feeding; human tumor bank |
| HTF | heterothyrotropic factor; house tube feeding; HpaII tiny fragment |
| test tube | A tube of thin glass closed at one end, used in the examination of urine and other chemical operations, for bacterial cultures, etc. (05 Mar 2000) |
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| test-tube baby | Popular term for a baby born after uterine implantation of a maternal ovum fertilised in vitro. (05 Mar 2000) |
| ear tube surgery | The removal of fluid (often infected) from the middle ear space by creating a incision in the eardrum. Ear tubes may be placed to maintain chronic drainage for several months. Indicated in cases of chronic or recurrent otitis media. (27 Sep 1997) |
| thoracostomy tube | A tube placed through the heart wall that drains the pleural space. (05 Mar 2000) |
| ectoplasmic tube contraction | <cell biology> Model for amoeboid movement in which it is proposed that protrusion of a pseudopod is brought about by contraction of the sub plasmalemmal region everywhere else in the cell thus squeesing the central cytoplasm forwards. See: frontal zone contraction theory. (18 Nov 1997) |
| Tovell tube | An armored tracheal tube with a wire spiral embedded in the wall to prevent obstruction of the lumen when the tube is compressed and kinking when the tube is bent at a sharp angle. (05 Mar 2000) |
| 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) |
| 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) |