( ( ( The difference ) ( between ( ( ( ( the COP ) ( of blood ) ) and ) ( that ( of ( tissue fluid ) ) ) ) ) ) ( ( is ( ( ( called ( ( ( the ( oncotic pressure ) ) , ) ( which ( tends ( to ( ( ( draw water ) ( into ( the capillary ) ) ) ( by osmosis ) ) ) ) ) ) ) , ) ( thus ( opposing ( ( hydrostatic pressure ) ( ( Net ( filtration pressure ) ) ( , ( then ( , ( is ( ( the difference ) ( between ( ( ( net ( hydrostatic pressure ) ) and ) ( oncotic pressure ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN difference)) (PP (IN between) (NP (NP (NP (DT the) (NNP COP)) (PP (IN of) (NP (NN blood)))) (CC and) (NP (NP (DT that)) (PP (IN of) (NP (NN tissue) (NN fluid))))))) (VP (VBZ is) (VP (VBN called) (NP (NP (DT the) (JJ oncotic) (NN pressure)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ tends) (S (VP (TO to) (VP (VB draw) (NP (NN water)) (PP (IN into) (NP (DT the) (NN capillary))) (PP (IN by) (NP (NNS osmosis)))))))))) (, ,) (S (ADVP (RB thus)) (VP (VBG opposing) (NP (NP (JJ hydrostatic) (NN pressure)) (SBAR (S (NP (JJ Net) (NN filtration) (NN pressure)) (, ,) (ADVP (RB then)) (, ,) (VP (VBZ is) (NP (NP (DT the) (NN difference)) (PP (IN between) (NP (NP (JJ net) (JJ hydrostatic) (NN pressure)) (CC and) (NP (JJ oncotic) (NN pressure))))))))))))) (. .)))
The difference between the COP of blood and that of tissue fluid is called the oncotic pressure, which tends to draw water into the capillary by osmosis, thus opposing hydrostatic pressure Net filtration pressure, then, is the difference between net hydrostatic pressure and oncotic pressure.
(ROOT (S (NP (NNP Filtration)) (VP (VBZ is) (NP (NP (DT the) (NN movement)) (PP (IN of) (NP (NP (NN fluid)) (PP (RB out) (IN of) (NP (DT the) (NNS capillaries))))))) (. .)))