| pneumatoscope | <instrument> 1. Obsolete term for an instrument for measuring the extent of the respiratory excursions of the chest. Synonym: pneoscope. 2. Obsolete term for an instrument for use in auscultatory percussion, the percussion sounds of the chest being heard at the mouth. Synonym: pneumoscope. Origin: G. Pneuma, air, + skopeo, to examine (05 Mar 2000) |
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| pneumatosis | Abnormal accumulation of gas in any tissue or part of the body. Origin: G. A blowing out (05 Mar 2000) |
| 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) |
| pneumatocele |
1. a tumor or cyst formed by air or other gas filling an adventitious pouch, such as a laryngocele, tracheocele, or gaseous swelling of the scrotum. Called also aerocele and pneumocele. 2. a usually benign, thin-walled, air-containing cyst of the lung, as in staphylococcal pneumonia. Called also pneumocele and pneumonocele.
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| pneumatocephalus |
pneumocephalus.
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| pneumatogram |
spirogram.
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| pneumatograph |
spirograph.
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| pneumatonometer |
an applanation tonometer in which air pressure applied through a silicone-rubber membrane in direct contact with the cornea is used to flatten the cornea.
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