NAL Myenteric neurons 4o 9 10 (1) Ascending interneurons( 5%) (2) Myenteric intrinsic primary fferent neurons(26%) Arte M Gland () Intestinofugal neurons(<1%) (4)Excitatory longitudinal muscle LM: longitudinal muscle: MP: myenteric motor neurons(25%) plexus; CM: circular muscle; SM submucosal plexus: Muc: mucosa 5)Inhibitory longitudinal muscle motor neurons(2% (8)Descending interneurons local reflex(5%) (6) Excitatory circular muscle motor neurons(12%) (9)Descending interneurons(2%) secretomotor reflex (7 Inhibitory circular muscle motor neurons(16%) (10) Descending MMC interneurons(4%)6 LM: longitudinal muscle; MP: myenteric plexus; CM: circular muscle; SM: submucosal plexus; Muc: mucosa. Myenteric Neurons (1) Ascending interneurons( 5%) (2) Myenteric intrinsic primary afferent neurons (26%) (3) Intestinofugal neurons (<1%) (4) Excitatory longitudinal muscle motor neurons (25%) (5) Inhibitory longitudinal muscle motor neurons (2%) (6) Excitatory circular muscle motor neurons (12%) (7) Inhibitory circular muscle motor neurons (16%) (8) Descending interneurons local reflex (5%) (9) Descending interneurons (2%): secretomotor reflex (10) Descending MMC interneurons (4%)