| NGT | nasogastric tube; nominal group technique; normal glucose tolerance |
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| 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... |
| PMT | parent management training; phenol O-methyltransferase; photomultiplier tube; Porteus maze test; pre... |
| 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) |
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| 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) |
| tympanic opening of auditory tube | An opening in the anterior part of the tympanic cavity below the canal for the tensor tympani muscle. Synonym: ostium tympanicum tubae auditivae, tympanic opening of eustachian tube. (05 Mar 2000) |
| tympanic opening of eustachian tube | An opening in the anterior part of the tympanic cavity below the canal for the tensor tympani muscle. Synonym: ostium tympanicum tubae auditivae, tympanic opening of eustachian tube. (05 Mar 2000) |
| tympanostomy tube | A small tube inserted through the tympanic membrane after myringotomy to aerate the middle ear; often used for serous otitis media. (05 Mar 2000) |
| fallopian tube | <anatomy> The paired tubes which connect the ovaries to the uterus and conduct the egg to the uterus. (27 Sep 1997) |
| fallopian tube patency tests | Methods for assessing the patency of the fallopian tubes. (12 Dec 1998) |
| feeding tube | A flexible tube passed through the oral pharynx and into the oesophagus and stomach, through which liquid food is fed. (05 Mar 2000) |
| universal tube | A straight, cylindrical glass vial that holds about 25 millilitres and istopped with a screw-on cap. (09 Oct 1997) |
| Ferrein's tube | The highly convoluted segments of the nephron in the renal labyrinth comprising the proximal convoluted tubule, which leads from Bowman's capsule to the descending limb of Henle's loop, and the distal convoluted tubule, which leads from the ascending limb of Henle's loop to the collecting tube. Synonym: tubulus renalis contortus, Ferrein's tube, tubulus contortus. (05 Mar 2000) |
| field emission tube | An X-ray tube that uses a cold cathode, relying on the tube voltage to pull electrons from it to the anode. (05 Mar 2000) |