Structure of the Spinal Cord, Reflexes, and Nerves Week #12
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