| PPH | past pertinent history; persistent pulmonary hypertension; phosphopyruvate hydratase; postpartum hem... |
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| PPT | parietal pleural tissue; partial prothrombin time; peak-to-peak threshold; Pfeiffer-Palm-Teller [syn... |
| PV | pancreatic vein; papillomavirus; paraventricular; paravertebral; pemphigus vulgaris; peripheral vasc... |
| PVOD | pulmonary vascular obstructive disease; pulmonary veno-occlusive disease |
| TPBF | total pulmonary blood flow |
| pulmonary plexus | One of two autonomic plexus's, anterior and posterior, at the hilus of each lung, formed by cardiopulmonary splanchnic nerves of the sympathetic trunk and bronchial branches of the vagus nerve; from them various branches accompany the bronchi and arteries into the lung. Synonym: plexus pulmonalis. (05 Mar 2000) |
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| pulmonary pressure | The blood pressure in the pulmonary artery. (05 Mar 2000) |
| pulmonary ridges | A pair of ridge's overlying the common cardinal veins and bulging from the lateral body wall into the embryonic celom; so called because they give early indication of where the pleuropericardial folds will develop. (05 Mar 2000) |
| pulmonary sarcoidosis | <radiology> Stage, I hilar/mediastinal lymph nodes, II nodes and lung disease, III lung disease only, upper lobe predominance, superinfection with Aspergillus (investigate with thin-cut CT) See: sarcoidosis (12 Dec 1998) |
| pulmonary schistosomiasis | Pulmonary manifestations of infection with schistosoma, usually Schistosoma mansoni, occurring when schistosomals, which form in the skin from the cercariae which have entered from infected water, migrate via the blood stream to the lungs, en route to the gastrointestinal tract and the portal vein; symptoms are usually limited to cough. (05 Mar 2000) |
| pulmonary siderosis | Pneumoconiosis caused by inhalation of iron dust. Synonym: pulmonary siderosis. (05 Mar 2000) |
| pulmonary sinuses | The space at the origin of the pulmonary trunk between the dilated wall of the vessel and each cusp of the pulmonic valve. Synonym: sinus trunci pulmonalis. (05 Mar 2000) |
| pulmonary sling | <radiology> Aberrant course of left pulmonary artery between trachea and oesophagus, may cause obstructive emphysema of the right lung if the right main stem bronchus is compressed (12 Dec 1998) |
| pulmonary stenosis | <cardiology> A congenital or acquired heart valve defect. The abnormal narrowing and ineffective opening of the pulmonic valve. Symptoms include cyanosis and difficulty breathing. Treatment is surgical in most cases of significant valvular stenosis. (27 Sep 1997) |
| pulmonary stretch receptors | Stretch receptors found in the bronchi and bronchioles. Pulmonary stretch receptors are sensors for a reflex which stops inspiration. In humans, the reflex is protective and is probably not activated during normal respiration. (12 Dec 1998) |
| pulmonary subvalvular stenosis | Stenosis of the conus arteriosus (infundibulum) with or without involvement of the pulmonary valve. It is usually associated with a defect in the interventricular septum. (12 Dec 1998) |
| pulmonary sulcus | The deep recess on either side of the vertebral column formed by the posterior sweep of the curvature of the ribs. Synonym: sulcus pulmonalis, pulmonary sulcus. (05 Mar 2000) |
| pulmonary surface of heart | The lateral surface of the heart, directed toward the lungs; on the left it is principally the left ventricular wall; on the right it is the right atrial wall and the upper part of the right ventricular wall. Synonym: facies pulmonalis cordis. (05 Mar 2000) |
| pulmonary surfactants | Lipoproteins in which the lipid moiety is based mainly on lecithin and other phospholipids. They may also contain small amounts of prostaglandins and other compounds. Composition is species dependent. They are secreted by the mitochondria of type II alveolar cells. Surfactants regulate the surface tension of the mucoid layer lining the alveoli. Absence of the surfactants in premature infants results in hyaline membrane disease and in adults in atelectasis. Synthetic pulmonary surfactants have also been prepared and are used therapeutically. (12 Dec 1998) |
| pulmonary surgical procedures | Surgery performed on the lung. (12 Dec 1998) |