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Nervous Sys Cos

well organized system that is responsible for coordinating all the many activities that are performed both inside and outside of the body, Nervous System
the scientific study of the structure, function, and pathology of the nervous system Neurology
consists of the brain, spinal cord, spinal nerves, and cranial nerves and controls consciousness and voluntary functions Central Nervous System
system of nerves that connects the outer parts of the body to the central nervous system; carries impulses to and from the CNS Peripheral Nervous System
regulates the involuntary actions such as the actions of the smooth muscles, glands, blood vessels and heart Autonomic Nervous System
largest, most complex nerve tissue in body; controls sensation, muscles, glands, thinking, sensing, and feeling brain
portion of CNS that orginates in brain and extends down to lower trunk region; consists of 31 pairs of spinal nerves connecting to muscles, glands, and skin spinal cord
nerve cell; primary stuctural unit of the nervous system neuron
tree-like branchings of neuron the rceive impulses from other neurons dendrites
portion of neuron that sends impulses away from cell body to other neurons, glands, or muscles axon
whitish cords made up of bundles of nerve fibers (dendrites & axons) held together by connective tissue through which impulses are transmitted. nerves
carry impulses from the sense organs to the brain sensory (afferent) nerves
carry impulses from the brain tot he muscles to produce movement Motor (efferent) nerves
largest sensory nerve in face & serves as a motor nerve of the muscles that control chewing fifth cranial nerve
largest motor nerve of face; supplies and controls the muscles of facial expression 7th cranial nerve
supplies the fingers with impulses from environment or brain digital nerve
supplies the thumb side of the arm and the back of the hand with impulses from environment or brain radial nerve
supplies the little finger side of the arm and palm of the hand with impulses from environment or brain ulnar nerve
supplies the arm and hand with impulses from environment or brain median nerve
supplies the muscles of the calf, the skin of the leg, and the sole, heel, and underside of the toes with impulses from environment or brain tibial nerve
supplies muscles in front of leg, skin, top of foot, and toes with impulses from environment or brain common peroneal nerve
division of the common peroneal, extends deep behind muscles deep peroneal nerve (anterior tibial nerve)
division of the common peroneal, lies superficial, extends just underneath the skin superficial peroneal nerve (musculocutaneous nerve)
Created by: kcarpenter