( AVMs ( ( lack ( ( ( ( a ( capillary bed ) ) and ) ( arterial blood ) ) ( is ( ( ( ( moved ( -LRB- ( shunted -RRB- ) ) ) directly ) ( from ( the arteries ) ) ) ( into ( the veins ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS AVMs)) (VP (VBP lack) (SBAR (S (NP (NP (DT a) (JJ capillary) (NN bed)) (CC and) (NP (JJ arterial) (NN blood))) (VP (VBZ is) (VP (VBN moved) (PRN (-LRB- -LRB-) (VP (VBN shunted)) (-RRB- -RRB-)) (ADVP (RB directly)) (PP (IN from) (NP (DT the) (NNS arteries))) (PP (IN into) (NP (DT the) (NNS veins)))))))) (. .)))
AVMs lack a capillary bed and arterial blood is moved (shunted) directly from the arteries into the veins.
(ROOT (S (NP (JJ Portal) (NNS veins)) (VP (VBP carry) (NP (NP (NN blood)) (PP (IN between) (NP (NP (NNS pairs)) (PP (IN of) (NP (JJ capillary) (NNS beds))))))) (. .)))