ストレスが胃の粘膜を荒らす原因のひとつは次のように考えられています。

Sentence Analyzer

ストレス 粘膜 荒らす 原因 ひとつ ように 考えられています

English Translation

The following is thought to be one of the reasons stress damages the stomach's mucous membrane.

Furigana

ストレスが()粘膜(ねんまく)()らす原因(げんいん)のひとつは(つぎ)のように(かんが)えられています。

Romanji

Sutoresu ga i no nenmaku o arasu gen'in no hitotsu wa tsugi no yōni kangaerareteimasu.

Words

ストレス (ストレス)
stress
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
()
stomach; Chinese "stomach" constellation (one of the 28 mansions)
()
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
粘膜 (ねんまく)
mucous membrane
()
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
荒らす (あらす)
to lay waste; to devastate; to damage; to invade; to break into; to troll (e.g. web forums); to spam
原因 (げんいん)
cause; origin; source
一つ (ひとつ)
one; for one thing; only; (not) even; just (e.g. "just try it")
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
(つぎ)
next; following; subsequent; stage; station
様に (ように)
in order to (e.g. meet goal); so that; take care (so as); hoping or wishing for something
考える (かんがえる)
to think about; to take into consideration; to ponder; to reflect; to try to come at a conclusion; to think over (something); to intend; to decide (to do); to plan; to come up with; to devise; to scheme; to predict; to anticipate; to expect; to suspect; to doubt; to consider (somebody to be something); to look on

Kanji

Reading: 
Meanings: stomach, paunch, crop, craw
Readings: ネン、 ねば.る
Meanings: sticky, glutinous, greasy, persevere
Reading: マク
Meaning: membrane
Readings: コウ、 あら.い、 あら-、 あ.れる、 あ.らす、 -あ.らし、 すさ.む
Meanings: laid waste, rough, rude, wild
Readings: ゲン、 はら
Meanings: meadow, original, primitive, field, plain, prairie, tundra, wilderness
Readings: イン、 よ.る、 ちな.む
Meanings: cause, factor, be associated with, depend on, be limited to
Readings: ジ、 シ、 つ.ぐ、 つぎ
Meanings: next, order, sequence
Readings: コウ、 かんが.える、 かんが.え
Meanings: consider, think over