| pneumatosis | Abnormal accumulation of gas in any tissue or part of the body. Origin: G. A blowing out (05 Mar 2000) |
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| pneumatosis coli | A usually benign condition in which gas is seen radiographically in the wall of the colon; sometimes associated with obstructive lung disease. (05 Mar 2000) |
| pneumatosis cystoides | <radiology> Pneumatosis cystoides intestinalis, multiple gas filled cysts of various sizes located in subserosa (sometimes in submucosa), age: adulthood, location: predominantly in lower colon X-ray: best demonstrated on CT, segmental mucosal nodularity (Differential diagnosis: polyposis), complication: assymptomatic large pneumoperitoneum (may persist for months/years) see: pneumatosis intestinalis (12 Dec 1998) |
| pneumatosis cystoides intestinalis | A condition characterised by the presence of thin-walled, gas-containing cysts in the wall of the intestines. The lesions may be subserosal or submucosal. (12 Dec 1998) |
| pneumatosis intestinalis | <radiology> Multiple thin-walled, non-communicating, gas-filled cysts located in subserosa with or without submucosa with normal mucosa and muscularis, primary pneumatosis intestinalis (15%), secondary pneumatosis intestinalis (85%), ischemia, necrotizing enterocolitis, mesenteric vascular disease, trauma (sigmoidoscopy, biopsy, BE, postsurgical anastomosis), infection (primary infection, parasites, perforated jejunal tic), inflammation, inflammatory bowel disease, connective tissue disease (especially scleroderma), Whipple disease, pulmonary disease (COPD, artificial ventilation), colonic obstruction (air dissecting distally) see: pneumatosis cystoides (12 Dec 1998) |
| pneumatothorax | <medicine> See Pneumothorax. Origin: Pneumato- + thorax. Source: Websters Dictionary (01 Mar 1998) |
| pneumaturia | The passage of gas or air from the urethra during or after urination, resulting from decomposition of bladder urine or, more commonly, from an intestinal fistula. Synonym: pneumatinuria. Origin: G. Pneuma, air, + ouron, urine (05 Mar 2000) |
| pneumatype | A device for determining the permeability of the nasal fossae by exhaling through the nose against a plate of cooled glass. Origin: G. Pneuma, breath, + typos, type (05 Mar 2000) |
| pneumo- | <prefix> A combining form from Gr, a lung; as, pneumogastric, pneumology. (29 Oct 1998) |
| pneumo-orbitography | Radiographic visualization of the orbital contents following injection of a gas, usually air. (05 Mar 2000) |
| pneumoangiography | An obsolete term for a radiographic contrast study of the pulmonary blood vessels. Origin: pneumo-+ G. Angeion, vessel, + grapho, to write (05 Mar 2000) |
| pneumoarthrography | Radiography of a joint after injection of air and usually a water-soluble contrast medium. Origin: G. Pneuma, air, + arthron, joint, + grapho, to write (05 Mar 2000) |
| pneumobacillus | Gram-negative, non-motile, capsulated, gas-producing rods found widely in nature and associated with urinary and respiratory infections in man. (12 Dec 1998) |
| pneumobulbar | Relating to the lungs and their connection with the medulla oblongata by way of the vagus nerve. Origin: G. Pneumon, lung, + L. Bulbus, bulb (05 Mar 2000) |
| pneumocardial | <anatomy> Pertaining to the heart and lungs. (18 Nov 1997) |