Nerve Reflex Arc
Reflex arc, as it is approximately in man. Labels: 1, nerve terminal, or sensory epithelium; 2, dendrite of sensory neuron; 3, cell body in dorsal root ganglion; 4, axon of sensory neuron; 5, dendrite of motor neuron; 6, cell body in ventral horn; 7, axon of motor neuron; 8, end organ (e.g., muscle-cell, gland-cell, etc.).
Kimber, Diana C. Anatomy and Physiology for Nurses (New York, NY: The Macmillan Company, 1907)
Courtesy the private collection of Roy Winkelman