( ( ( Causing food ) ( to ( be ( ( ( ( less efficiently ) digested ) and ) ( ( ( ( absorbed -LRB- ) ( gastric ( bypass operations ) ) ) -RRB- ) ( In ( gastric ( bypass procedures ) ) ) ) ) ) ) ) ( , ( ( a surgeon ) ( ( ( ( ( makes ( a ( direct connection ) ) ) ( from ( ( the stomach ) ( to ( ( a ( lower segment ) ) ( of ( the ( small intestine ) ) ) ) ) ) ) ) , ) ( bypassing ( ( ( ( the duodenum ) , ) and ) ( some ( of ( the jejunum ) ) ) ) ) ) . ) ) ) )
(ROOT (S (S (VP (VBG Causing) (NP (NN food)) (S (VP (TO to) (VP (VB be) (VP (VP (ADVP (RBR less) (RB efficiently)) (VBN digested)) (CC and) (VP (VBN absorbed) (-LRB- -LRB-) (NP (JJ gastric) (NN bypass) (NNS operations)) (-RRB- -RRB-) (PP (IN In) (NP (JJ gastric) (NN bypass) (NNS procedures)))))))))) (, ,) (NP (DT a) (NN surgeon)) (VP (VBZ makes) (NP (DT a) (JJ direct) (NN connection)) (PP (IN from) (NP (NP (DT the) (NN stomach)) (PP (TO to) (NP (NP (DT a) (JJR lower) (NN segment)) (PP (IN of) (NP (DT the) (JJ small) (NN intestine))))))) (, ,) (S (VP (VBG bypassing) (NP (NP (DT the) (NN duodenum)) (, ,) (CC and) (NP (NP (DT some)) (PP (IN of) (NP (DT the) (NN jejunum)))))))) (. .)))
Causing food to be less efficiently digested and absorbed (gastric bypass operations) In gastric bypass procedures, a surgeon makes a direct connection from the stomach to a lower segment of the small intestine, bypassing the duodenum, and some of the jejunum.
(ROOT (S (NP (JJ Gastric) (NN emptying)) (VP (VBZ is) (VP (VBN regulated) (PP (IN by) (NP (NP (PDT both) (DT the) (NN stomach)) (CC and) (NP (DT the) (NN duodenum)))))) (. .)))