Causes. Retroperitoneal fibrosis occurs when extra fibrous tissue forms in the area behind the stomach and intestines. The tissue forms a mass (or masses) that can block the tubes that carry urine from the kidney to the bladder.
noun /naÊn/ n a word or group of words that refers to a person, place, or thing or any syntactically similar word (as modifier): a noun phraseAbbreviation: N, n Related adjective(s): nominal Etymology: 14th Century: via Anglo-French from Latin nÅmen name. Ënounal adj.
A noun is a word that names a person, place, thing, or idea. Examples include actor, building, ticket, and delight. A common noun is a general name for a person, place, thing, or idea.A propernoun is the name of a particular one.For example, theater is a common noun; Palace Theate r is a proper noun. singular noun names one person, place, thing, or idea. A plural noun namesmore than one person, place, thing, or idea.One student had an interesting suggestion. (singular nouns)Several students had interesting suggestions.