These include barium swallow, barium meal, barium follow-through, and barium enema. The barium swallow, barium meal, and barium follow-through are together also called an upper gastrointestinal series (or study), whereas the barium enema is called a lower gastrointestinal series (or study).
There are two kinds of prepositional phrases: adjective phrases and adverb phrases. An adjective phrase modifies a noun or pronoun. It always comes immediately after the noun or pronoun it modifies: 1  Joe is the student with the highest grade.( 2 with the highest grade modifies student.).n adverb phrase modifies a verb, adjective, or adverb. It is used to tell when, where, how, or to what extent about the word it modifies: 1  Megan put her bird in its cage.
When a group of words. containing a subject and verb acts as an adverb, it is called an adverbial phrase. Prepositional phrases frequently have adverbial functions (telling place and time, modifying the verb): 1  He went. .