ZOO 2090 Lecture Notes - Lecture 15: Brainstem, Hindbrain, Cerebellum
13 Sep 2017
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The nervous system (along with endocrine system) determines response of the body to changes in its environment. Central nervous system: brain, organ that coordinates all activities of the organism. Spinal cord: function receive incoming impulses, integrate and coordinate them, transmit them wherever they should go within the cns, and send responses to the pns as appropriate, the establishment of simple (local) reflexes, general structure: The (cid:862)h(cid:863) shaped gray (cid:373)atter cell bodies and unmyelinated fibers: white matter myelinated fibers, example(cid:198)reflex arcs of spinal cord, example(cid:198)somatic reflex arc how a posture is maintained, the knee-jerk reflex. Somatic innevert skeletal muscle and skin: visceral innervate involuntary muscles and glands, afferent (sensory) from tissues to cns, cranial nerves. Efferent (motor) from cns to tissues: nerves that have their roots in the braincase, best known for conveying information from the special sense organs (smell, sight, taste, hearing and balance)
