pubmed-article:7180532 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:7180532 | lifeskim:mentions | umls-concept:C0006901 | lld:lifeskim |
pubmed-article:7180532 | lifeskim:mentions | umls-concept:C0205107 | lld:lifeskim |
pubmed-article:7180532 | lifeskim:mentions | umls-concept:C0033095 | lld:lifeskim |
pubmed-article:7180532 | lifeskim:mentions | umls-concept:C0332208 | lld:lifeskim |
pubmed-article:7180532 | lifeskim:mentions | umls-concept:C1709059 | lld:lifeskim |
pubmed-article:7180532 | pubmed:issue | 3 | lld:pubmed |
pubmed-article:7180532 | pubmed:dateCreated | 1983-2-25 | lld:pubmed |
pubmed-article:7180532 | pubmed:abstractText | Fluid absorption from the proximal tubular lumen is probably a multifactorial process. Earlier studies from our laboratory have indicated that a transepithelial hydrostatic and oncotic pressure difference may be the driving force for as much as 30% of the reabsorbed fluid. During saline volume expansion proximal tubular reabsorption declines and the present experiments were undertaken to investigate whether this reduction could be caused by changes in the passively driven flux component. The hydraulic conductivity was therefore determined from the reabsorptive rate in split oil droplets with normal and high hydrostatic pressure gradients across the wall, at the same time as the peritubular capillary net-work was perfused with solutions containing a colloid of high or low concentration. In the reabsorption experiments the split oil droplet radius was measured and in a separate series of experiments the relationship between droplet radius and pressure was determined; this was found to be 7.3 mmHg pressure increase per 1 micrometer increase in radius. The increase in the rate of reabsorption from the droplets due to increased intraluminal hydrostatic pressure was 1.02 +/- 0.13 nl/min/mm tubular length when a solution with a high colloid concentration was perfused through the capillary net-work, compared with 0.41=0.11 nl/min/mm tubular length when a low colloid containing solution was used for perfusion. The hydraulic conductance in the proximal tubular wall at high colloid perfusion was calculated to be 0.54 nl/min.mm.mmHg while at a low capillary colloid oncotic pressure it was significantly lower 0.025 nl/min.mm.mmHg. This drop in hydraulic conductance might be one factor responsible for the decline in fluid absorption in animals exposed to saline volume expansion. | lld:pubmed |
pubmed-article:7180532 | pubmed:language | eng | lld:pubmed |
pubmed-article:7180532 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:7180532 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:7180532 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:7180532 | pubmed:month | Jul | lld:pubmed |
pubmed-article:7180532 | pubmed:issn | 0001-6772 | lld:pubmed |
pubmed-article:7180532 | pubmed:author | pubmed-author:AgerupBB | lld:pubmed |
pubmed-article:7180532 | pubmed:author | pubmed-author:PerssonA EAE | lld:pubmed |
pubmed-article:7180532 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:7180532 | pubmed:volume | 115 | lld:pubmed |
pubmed-article:7180532 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:7180532 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:7180532 | pubmed:pagination | 355-9 | lld:pubmed |
pubmed-article:7180532 | pubmed:dateRevised | 2003-11-14 | lld:pubmed |
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pubmed-article:7180532 | pubmed:year | 1982 | lld:pubmed |
pubmed-article:7180532 | pubmed:articleTitle | Modulation of proximal tubular hydraulic conductivity by peritubular capillary oncotic pressure. | lld:pubmed |
pubmed-article:7180532 | pubmed:publicationType | Journal Article | lld:pubmed |
http://linkedlifedata.com/r... | pubmed:referesTo | pubmed-article:7180532 | lld:pubmed |