Gray Matter

Central Canal

Dorsal and Ventral Root

Dorsal Root Ganglion

Ulnar, Radial, and Median Nerves

Sciatic Nerve

Receptor

Sensory (afferent) Neuron

toward
Integration Center

Interneuron (association neuron)-IN

Spinal Cord-IN

Motor (Efferent) Neuron

away
Effector

Olfactory Nerve (I)

smell, SENSORY
Optic Nerve (II)

Vision, SENSORY
Oculomotor Nerve (III)

Eye muscle Movement, MOTOR (4/6 muscle)
Trochlear Nerve (IV)

Eye muscle movement, MOTOR (2/6 muscle)
Trigeminal Nerve (V)

Eye, Maxilla, Mandible-SENSORY
Mastication - MOTOR
Abducens Nerve (VI)

Eye muscle movement- MOTOR (1/6)
Facial Nerve (VII)

Taste in front of tongue -SENSORY
Facial Muscles -MOTOR
Vestibulocochlear Nerve (VIII)

Hearing and Balance-SENSORY
Glossopharyngeal Nerve (IX)

Back of tongue-SENSORY
Gag Reflex-MOTOR
Vagus Nerve (X)

Visceral Input-SENSORY
Parasympathetic output-MOTOR
Spinal Accessory Nerve (XI)

Shrugging shoulders-MOTOR
Hypoglossal Nerve (XII)

Sticking out Tongue- MOTOR