Secretomotor and vasomotor 2岩 reflexes CM Arteriole LM: longitudinal muscle; MP myenteric plexus; CM: circular Serum ChI electroly muscle; SM: submucosal plexus Muc: mucosa 2. Myenteric intrinsic primary afferent neurons 9. Descending interneurons Absorbed PACAP secretomotor reflex ACh. TK nerved ekstroM coctroytc 11. Submucosal intrinsic primary afferent neurons 2. Non-cholinergic secretomotor/vasodilator neurons 13. Cholinergic secretomotor/vasodilator neurons 14. Cholinergic secretomotor(non-vasodilator )neurons14 ➢Secretomotor and vasomotor reflexes LM: longitudinal muscle; MP: myenteric plexus; CM: circular muscle; SM: submucosal plexus; Muc: mucosa 2. Myenteric intrinsic primary afferent neurons 9. Descending interneurons: secretomotor reflex 11. Submucosal intrinsic primary afferent neurons 12. Non-cholinergic secretomotor/vasodilator neurons 13. Cholinergic secretomotor/vasodilator neurons 14. Cholinergic secretomotor (non-vasodilator) neurons