| SDM | sensory detection method; standard deviation of the mean |
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| SEM | sample evaluation method; scanning electron microscopy; secondary enrichment medium; standard error ... |
| SM | Master of Science; sadomasochism; self-monitoring; silicon microphysiometer; simple mastectomy; skim... |
| SMA | sequential multiple analysis or analyzer; sequential multichannel autoanalyzer; simultaneous multich... |
| SOM | secretory otitis media; sensitivity of method; serous otitis media; somatotropin; state operations m... |
| eosinophilic lung disease | <radiology> Idiopathic: Loeffler pneumonia, chronic eosinophilic pneumonia, hypereosinophilic syndrome, specific: drugs (e.g., nitrofurantoin), parasites, fungi (ABPA, bronchocentric granulomatosis), vasculitis / granulomatosis: Wegener's granulomatosis, polyarteritis nodosa, sarcoidal angiitis (12 Dec 1998) |
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| extravascular lung water | <physiology> Water present within the lungs; its volume is roughly equal to, or a little less than, the intracellular blood volume of the lungs. Accumulations of extravascular lung water result in pulmonary oedema. (12 Dec 1998) |
| Farmer's lung | <chest medicine> Type III hypersensitivity response to Micropolyspora faeni, a thermophilic bacterium found in mouldy hay. (18 Nov 1997) |
| unilateral hyperlucent lung | Chronic bronchiolitis obliterans predominating on one side. See: unilateral lobar emphysema. (05 Mar 2000) |
| upper lobe of lung | The lobe of the right lung that lies above the oblique and horizontal fissures and includes the apical, posterior and anterior bronchopulmonary segments; in the left lung, the lobe lies above the oblique fissure and contains the apicoposterior, anterior, superior lingular and inferior lingular segments. Synonym: lobus superior pulmonis, upper lobe of lung. (05 Mar 2000) |
| uraemic lung | Perihilar oedema of the lung associated with renal failure and hypertension; the peripheral parts of the lung remain clear. Synonym: uraemic pneumonia, uraemic pneumonitis. (05 Mar 2000) |
| fibroid lung | Chronic interstitial pneumonia in a lung. (05 Mar 2000) |
| fissures of lung | See: transverse fissure of the lung, oblique fissure of lung. (05 Mar 2000) |
| folded-lung syndrome | <syndrome> Collapse of part of the lung caught between shrinking fibrous pleura scars, sometimes resulting from pleural asbestosis. Synonym: round atelectasis. (05 Mar 2000) |
| left lung segments | <radiology> Upper lobe, apical posterior, anterior, superior lingular, inferior lingular, lower lobe, superior, posterior basal, lateral basal, anterior medial basal (12 Dec 1998) |
| lingula of left lung | An inferomedial projection from the anterior aspect of the upper lobe of the left lung which bounds the cardiac notch inferiorly. Synonym: lingula pulmonis sinistri. (05 Mar 2000) |
| lower lobe of lung | It is located below and behind the oblique fissure and contains five bronchopulmonary segments: superior, medial basal, anterior basal, lateral basal, and posterior basal. Synonym: lobus inferior pulmonis, lower lobe of lung. (05 Mar 2000) |
| lung | <anatomy> An organ for aerial respiration; commonly in the plural. "My lungs began to crow like chanticleer." (Shak) In all air-breathing vertebrates the lungs are developed from the ventral wall of the oesophagus as a pouch which divides into two sacs. In amphibians and many reptiles the lungs retain very nearly this primitive saclike character, but in the higher forms the connection with the oesophagus becomes elongated into the windpipe and the inner walls of the sacs become more and more divided, until, in the mammals, the air spaces become minutely divided into tubes ending in small air cells, in the walls of which the blood circulates in a fine network of capillaries. In mammals the lungs are more or less divided into lobes, and each lung occupies a separate cavity in the thorax. See Respiration. <medicine> Lung fever, pneumonia. <botany> Lung flower, one of the breathing organs of spiders and snails. Origin: OE. Lunge, AS. Lunge, pl. Lungen; akin to D. Long, G. Lunge, Icel. & Sw. Lunga, Dan. Lunge, all prob. From the root of E. Light. See Light not heavy. Source: Websters Dictionary (01 Mar 1998) |
| lung abscess | A collection of pus within a cavity in the lung due to a bacterial infection (bacterial endocarditis). Certain bacteria (Staphylococcus, Pseudomonas, Tuberculosis, Klebsiella) are more likely to cavitate the lung and cause abscess formation. (27 Sep 1997) |
| lung bud | The endodermal lung primordium which will give rise to the epithelial lining of the respiratory tract. Synonym: lung bud. (05 Mar 2000) |