( peptic ( ( ulcer ( ( an ulcer ) ( in ( ( the wall ) ( of ( ( the ( ( stomach or ) duodenum ) ) ( ( resulting ( from ( ( the ( digestive action ) ) ( of ( ( the ( gastric juice ) ) ( on ( the ( mucous membrane ) ) ) ) ) ) ) ) ( when ( ( the latter ) ( is ( rendered ( susceptible ( to ( its action ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (SINV (ADJP (JJ peptic)) (VP (VBZ ulcer)) (NP (NP (DT an) (NN ulcer)) (PP (IN in) (NP (NP (DT the) (NN wall)) (PP (IN of) (NP (NP (DT the) (NN stomach) (CC or) (NN duodenum)) (VP (VBG resulting) (PP (IN from) (NP (NP (DT the) (JJ digestive) (NN action)) (PP (IN of) (NP (NP (DT the) (JJ gastric) (NN juice)) (PP (IN on) (NP (DT the) (JJ mucous) (NN membrane))))))) (SBAR (WHADVP (WRB when)) (S (NP (DT the) (NN latter)) (VP (VBZ is) (VP (VBN rendered) (S (ADJP (JJ susceptible) (PP (TO to) (NP (PRP$ its) (NN action))))))))))))))) (. .)))
peptic ulcer an ulcer in the wall of the stomach or duodenum resulting from the digestive action of the gastric juice on the mucous membrane when the latter is rendered susceptible to its action.
(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)))))) (. .)))