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: The muscularis is responsible for segmental contractions and peristaltic movement in the GI tract. The muscularis is composed of two layers of muscle: an inner circular and outer longitudinal layer of smooth muscle.
The middle layer is the muscularis. This consists of smooth muscle. There is an inner longitudinal, middle circular and outer longitudinal layer of smooth muscle. The outer longitudinal layer is not present in the entire ureter. The main function of the muscularis is peristalsis which propels the urine.