| pneumatic | 1. Relating to air or gas, or to a structure filled with air. 2. Relating to respiration. Origin: G. Pneumatikos (05 Mar 2000) |
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| pneumatic antishock garment | An inflatable suit used to apply pressure to the peripheral circulation, thus reducing blood flow and fluid exudation into tissues, to maintain central blood flow in the presence of shock. Synonym: military antishock trousers. (05 Mar 2000) |
| pneumatic bone | A bone that is hollow or contains many air cells, such as the mastoid process of the temporal bone. Synonym: os pneumaticum, hollow bone. (05 Mar 2000) |
| pneumatic larynx | A device that uses air to produce sound to help a laryngectomee talk. (12 Dec 1998) |
| pneumatic retinopexy | A retinal detachment repair in which the retina is held in place by an expandable gas. Synonym: pneumatic retinopexy. (05 Mar 2000) |
| pneumatic space | Any one of the paranasal sinuses. (05 Mar 2000) |
| pneumatic tire injury | Separation of the skin and subcutaneous tissue from the underlying fascia, classically occurring when an extremity is crushed and rolled over by the tire of a vehicle but may be incurred through other mechanisms that produce shear forces; may occur particularly in cases of obesity. (05 Mar 2000) |
| pneumatic tonometer | A recording applanation tonometer operated by compressed gas. (05 Mar 2000) |
| Goodell's dilator | An obsolete term for a uterine dilator used for dilating the cervix. (05 Mar 2000) |
| Chevalier-Jackson dilator | An oesophageal dilator that passes through a rigid endoscope. (05 Mar 2000) |
| Walther's dilator | A gently curved instrument that tapers to an increased diameter, used to dilate the female urethra. (05 Mar 2000) |
| Plummer's dilator | An instrument for dilating the lower end of the oesophagus in cardiospasm; it consists of a rubber tube with a perforated metal tip, and a dilatable elongated balloon near its lower end; in difficult cases the tube is threaded along a guiding thread swallowed by the patient. (05 Mar 2000) |
| musculus dilator | <anatomy> A muscle which opens an orifice or dilates the lumen of an organ; it is the dilating or opening component of a pylorus (the other component is the sphincter muscle). Synonym: musculus dilatator, musculus dilator. (05 Mar 2000) |
| musculus dilator iridis | <anatomy> The radial muscular fibres extending from the sphincter pupillae to the ciliary margin; some anatomists regard them as elastic, not muscular, in humans. Synonym: musculus dilator pupillae, dilator iridis, dilator of pupil, musculus dilator iridis. (05 Mar 2000) |
| musculus dilator naris | See: nasalis muscle. (05 Mar 2000) |