Abdominal adhesions also occur in a small number of people who have never had surgery. 1  Most adhesions are painless and do not cause complications. 2  However, adhesions cause the majority of small bowel obstructions in adults, and are believed to contribute to the development of chronic pelvic pain.
In addition to foreshadowing and symbolism, animal imagery is used to simply to give the reader a better understanding of the message the author is trying to convey and to produce more vivid descriptions. Here, Steinbeck is trying to tell the reader that Juana was afraid in a more vivid way.
Imagery consists of the creation of positive thoughts and images and communicating them with the body as a means of healing a diseased organ or tissue; it is believed to act on the psychoneuroimmune system by placing the power of the mind over physical ailment.