front 1 Gray Matter | back 1 ![]() |
front 2 Central Canal | back 2 ![]() |
front 3 Dorsal and Ventral Root | back 3 ![]() |
front 4 Dorsal Root Ganglion | back 4 ![]() |
front 5 Ulnar, Radial, and Median Nerves | back 5 ![]() |
front 6 Sciatic Nerve | back 6 ![]() |
front 7 Receptor | back 7 ![]() |
front 8 Sensory (afferent) Neuron | back 8 ![]() toward |
front 9 Integration Center | back 9 ![]() |
front 10 Interneuron (association neuron)-IN | back 10 ![]() |
front 11 Spinal Cord-IN | back 11 ![]() |
front 12 Motor (Efferent) Neuron | back 12 ![]() away |
front 13 Effector | back 13 ![]() |
front 14 Olfactory Nerve (I) | back 14 ![]() smell, SENSORY |
front 15 Optic Nerve (II) | back 15 ![]() Vision, SENSORY |
front 16 Oculomotor Nerve (III) | back 16 ![]() Eye muscle Movement, MOTOR (4/6 muscle) |
front 17 Trochlear Nerve (IV) | back 17 ![]() Eye muscle movement, MOTOR (2/6 muscle) |
front 18 Trigeminal Nerve (V) | back 18 ![]() Eye, Maxilla, Mandible-SENSORY Mastication - MOTOR |
front 19 Abducens Nerve (VI) | back 19 ![]() Eye muscle movement- MOTOR (1/6) |
front 20 Facial Nerve (VII) | back 20 ![]() Taste in front of tongue -SENSORY Facial Muscles -MOTOR |
front 21 Vestibulocochlear Nerve (VIII) | back 21 ![]() Hearing and Balance-SENSORY |
front 22 Glossopharyngeal Nerve (IX) | back 22 ![]() Back of tongue-SENSORY Gag Reflex-MOTOR |
front 23 Vagus Nerve (X) | back 23 ![]() Visceral Input-SENSORY Parasympathetic output-MOTOR |
front 24 Spinal Accessory Nerve (XI) | back 24 ![]() Shrugging shoulders-MOTOR |
front 25 Hypoglossal Nerve (XII) | back 25 ![]() Sticking out Tongue- MOTOR |