ストレス sutoresuが ga胃(い) iの no粘(ねん)膜(まく) nenmakuを o荒(あ)ら()す() arasu原(げん)因(いん) gen'inの noひとつ hitotsuは wa次(つぎ)の()よ()う()に() tsuginoyouni考(かんが)え()ら()れ()て()い()ま()す() kangaerareteimasu。 One of the reasons stress damages the stomach lining is thought to be as follows. Literal Stress [subject-が] stomach [possessive-の] mucous-membrane [object-を] damages reason [possessive-の] one [topic-は] following-as is-considered. ~のひとつは (one of) introduces a specific example from a larger set. ~ように考えられている is the passive of ~と考える, meaning 'is thought to be' — a standard academic hedging construction. 粘膜 (mucous membrane) is medical terminology. healthmedical writing~のひとつ (one of)~と考える (I'm thinking)
ストレス sutoresuが ga胃(い) iの no粘(ねん)膜(まく) nenmakuを o荒(あ)ら()す() arasu原(げん)因(いん) gen'inの noひとつ hitotsuは wa次(つぎ)の()よ()う()に() tsuginoyouni考(かんが)え()ら()れ()て()い()ま()す() kangaerareteimasu。 One of the reasons stress damages the stomach lining is thought to be as follows. Literal Stress [subject-が] stomach [possessive-の] mucous-membrane [object-を] damages reason [possessive-の] one [topic-は] following-as is-considered. ~のひとつは (one of) introduces a specific example from a larger set. ~ように考えられている is the passive of ~と考える, meaning 'is thought to be' — a standard academic hedging construction. 粘膜 (mucous membrane) is medical terminology. healthmedical writing~のひとつ (one of)~と考える (I'm thinking)