NAL Submucosal neurons 4o 9 10 (II) Submucosal intrinsic primary cH afferent neurons(11%) sM(12) Non-cholinergic Arte M secretomotor/vasodilator neurons Gland (45%) (13 )Cholinergic LM: longitudinal muscle: MP secretomotor/vasodilator neurons myenteric plexus; CM: circular muscle SM: submucosal plexus: Muc: mucosa (15%) 14) Cholinergic secretomotor (non-vasodilator) neurons(29%)7 LM: longitudinal muscle; MP: myenteric plexus; CM: circular muscle; SM: submucosal plexus; Muc: mucosa Submucosal Neurons (11) Submucosal intrinsic primary afferent neurons (11%) (12) Non-cholinergic secretomotor/vasodilator neurons (45%) (13) Cholinergic secretomotor/vasodilator neurons (15%) (14) Cholinergic secretomotor (non-vasodilator) neurons (29%)