Primary afferent neuronS: Extrinsic primary afferent intrinsic and extrinsic neurons, including 内源性和外源性 Vagal primary afferent neuron Stem Have cell bodies in(nodose and gular) ganglia神经节 vagal Primary AFferent Neuron nal com >Spinal primary afferent neuron Immune and Tissue Defence Sanas Intestnofuga Neuron Local and Systemie spinal Primary v have cell bodies in dorsal root Afferent Neuron Endocine Hormones Local and Circulating ganglia ☆ Intestinofugal neuron肠离心神 Intrinsic Pfimary Ameren Neurons Parts of the afferent limbs of Luminal stimulants Buk artoens nutrents entero-enteric reflex pathways talants emmert secretions Have cell bodies in en2 intrinsic and extrinsic 内源性和外源性 Primary afferent neurons：❖Extrinsic primary afferent neurons, including: ➢Vagal primary afferent neuron ✓have cell bodies in (nodose and jugular) ganglia 神经节 ➢Spinal primary afferent neuron ✓ have cell bodies in dorsal root ganglia ❖Intestinofugal neuron 肠离心神 经元 ➢Parts of the afferent limbs of entero-enteric reflex pathways ➢Have cell bodies in ENS