Define afferent vs efferent neurons. Describe the somatic (sensory) afferent information and autonomic (visceral) afferent information. Describe the somatic (motor) efferent information and the autonomic (visceral) afferent information.
Afferent: carry information to the CNS; Somatic afferents include touch, pain, pressure, vibration, temp, and propioception in the skin, body wall, and limbs. Also hearing, equilibrium, vision, and smell; Autonomic afferents include stretch, pain, temp. and chemical changes in the viscera, nausea, hunger and taste.; Efferent: carry info away from CNS; Somatic efferents include motor innervation to all skeletal muscles. Autonomic (visceral) efferents include any motor innervation to smooth muscle, cardiac muscle, or glands. Has two branches Sympathetic and Parasympathetic.