| PCV | packed cell volume; polycythemia vera; postcapillary venule; pressure-control ventilation |
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| HEV | High Endothelial Venules |
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| PCV | Post-capillary venules |
| postcapillary venules | The microvasculature immediately following the capillaries, ranging in size from 10 to 50 um, and characterised by investment of pericytes; they are the site of extravasation of blood cells, are particularly sensitive to histamine, and are believed to be important in blood-interstitial fluid exchanges. Synonym: pericytic venules. (05 Mar 2000) |
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| high endothelial postcapillary venules | Venule's in the lymph nodes, tonsils, and Peyer's patches that have a high-walled endothelium through which blood lymphocytes migrate into the lymphatic parenchyma. (05 Mar 2000) |
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| postcapillary pulmonary hypertension | <radiology> Heart: LV failure, mitral stenosis, LA myxoma / thrombus, cor triatriatum, Pulmonary veins: congenital stenosis of pulmonary vein origin, mediastinal granulomata and neoplasms, idiopathic pulmonary veno-occlusive disease, anomalous pulmonary venous return (12 Dec 1998) |
| postcapillary venule | That portion of the blood circulation immediately downstream of the capillary network, the region having the lowest wall shear stress and the most common site of leucocytic margination and endothelial transmigration (diapedesis). (18 Nov 1997) |
| venules | The minute vessels that collect blood from the capillary plexuses and join together to form veins. (12 Dec 1998) |
| pericytic venules | The microvasculature immediately following the capillaries, ranging in size from 10 to 50 um, and characterised by investment of pericytes; they are the site of extravasation of blood cells, are particularly sensitive to histamine, and are believed to be important in blood-interstitial fluid exchanges. Synonym: pericytic venules. (05 Mar 2000) |
| nasal venules of retina | See: inferior nasal venule of retina, superior nasal venule of retina. (05 Mar 2000) |
| stellate venules | The star-shaped groups of venules in the renal cortex. Synonym: stellate veins, stellate venules, stellulae verheyenii, venae stellatae, Verheyen's stars. (05 Mar 2000) |
| straight venules of kidney | Venules that drain the medullary pyramids of the kidney; they open into arcuate veins. Synonym: venulae rectae renis. (05 Mar 2000) |
| temporal venules of retina | See: inferior temporal venule of retina, superior temporal venule of retina. (05 Mar 2000) |
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