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Chapter 16 vocab

QuestionAnswer
Afferent The transmission of neuronal impulse from the body toward the central nervous system
Autonomic automatic or involuntary
Autonomic nervous system division of the nervous system that controls the involuntary body functions
Axon The part of a nerve cell that conducts impulses away from the cell body
Blood-brain barrier A barrier that exist in the brain as a result of special permeability characteristics of the capillaries that supply brain cells
Brainstem A section of the brain consisting of the medulla oblongata, pons, and midbrain : connect the cerebellum and forebrain to the spinal cord
Cell Body The main part of a neuron from which axons and dendrites extend
Central Nervous System Consist of the brain and spinal cord: acts to manage and coordinate motor and sensory control
Cerebellum Structure located posterior to the pons and medulla oblongata: responsible for posture, balance, and voluntary muscle movement
Cerebrospinal Fluid A fluid that fills the ventricles of the brain and also occupies spaces of the brain, spinal cord, and the arachnoid layer of the menings
Cervical Pertaining to the neck region of the spinal cord: the region begins at the base and encumbers the first seven vertebra
Coccyx The small triangular bone located at the base of the spinal column also known as the tail bone
Dendrite The part of a neuron that branches out to bring impulses to the cell body
Efferent The transmission of a neuronal impulse rom the central nervous system toward the body
Lumbar The region of the spine that includes five vertebra in the area between the ribs and pelvis: also used to describe the area around the waist
Monoamine Oxidases(MOA) Enzymes found in the nerve terminals, neurons, and liver cells: deactivate chemicals
Neuron The functional unit of the central nervous system which includes the cell body, dendrite, axon, and terminals
Neurotransmitters Chemicals that are transmitted form one neuron to another as electrical impulses
Parasympathetic Nervous System Division of the autonomic nervous system in control to the feed or breed response
Peripheral Nervous System Part the the nervous system outside of the brain and spinal cord
Sacrum The large triangular bone at the base of the spine: helps form the pelvis
Somatic The motor neurons of the peripheral nervous system that control voluntary actions of the skeletal muscles and provide sensory input
Sympathetic Nervous system Division of the autonomic nervous system that functions during fight or flight
Thoracic Pertaining to the thorax area or the chest essentially the region between the neck and abdomen
Created by: must learn