1 In-text citations in parenthesis, with only the author's last name and page number included (Smith, p. 4). 2  Double-spaced lines, but with no extra line breaks between each citation. 3  Footnotes (superscripted) also used to provide non-essential information.
Muscularis Extema is the layer of the digestive tract wall that is responsible for peristalsis.
The functions of peristalsis and segmentation are different. Peristalsis-Propels the contents of the lumen onward, one way motion, moves food through a sphincter into the stomach, symmetrical contraction and relaxation of muscles, occurs in all parts of the GI.he functions of peristalsis and segmentation are different. Peristalsis-Propels the contents of the lumen onward, one way motion, moves food through a sphincter into the stomach, symmetrical contraction and relaxation of muscles, occurs in all parts of the GI.