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Neuroscience - Bellanca

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Term
Definition
Neuroscience   show
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Nervous system   show
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Neuron   show
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Dendrites   show
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Soma   show
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show carries messages away from cell body to terminals  
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Glial cells   show
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Myelin   show
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show Neural "cables" containing many axons  
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Resting potential   show
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show neural impulse; sending a message  
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All-or-none response   show
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Axon terminals (buttons)   show
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show Terminals of one neuron almost touch the dendrites of another, but don't actually touch  
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show Chemical messengers that traverse synaptic gaps between neurons; fit like a lock and key with receptor sites  
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Receptor sites   show
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show tell the neuron to FIRE!  
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show tell the neuron to STOP  
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Agonists   show
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show Drugs or other substances that BLOCK neurotransmitters, so the actual NT cannot fit in that receptor site; the response will be NOT what the NT would normally do.  
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Reuptake   show
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Central nervous system (CNS)   show
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Spinal cord   show
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Afferent (sensory) neurons   show
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show Effect, motor neurons; go from your brain, to spinal cord, to muscles, telling them to move  
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Interneuron   show
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show involves only the spinal cord; says MOVE! before your brain registers trouble; A simple, automatic, inborn response to a sensory stimulus, such as the knee-jerk response  
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Neuroplasticity   show
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show The sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body.  
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show Soma = body; division of the peripheral nervous system that controls the body's skeletal muscles  
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Autonomic nervous system (ANS)   show
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Sympathetic nervous system   show
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Parasympathetic nervous system   show
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show brain tissue destruction  
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show recording of the electrical activity of brain waves  
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Computed tomography (CT)   show
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Magnetic resonance imaging (MRI)   show
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Positron emission tomography (PET)   show
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show studied split brain patients; showed that left/right hemispheres have different functions  
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Medulla   show
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show helps in coordinating movement as it is the connect between the cerebellum and the cortex  
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show controls arousal (alertness) and attention  
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show coordinates voluntary movement and balance  
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show emotional control center (happiness, sadness, love, anger) contains the hypothalamus, amygdala, hippocampus  
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Thalamus   show
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Hypothalamus   show
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Hippocampus   show
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Amygdala   show
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show ultimate control & info processing center (is split into the different lobes)  
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Cerebral hemispheres   show
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show Connects the hemispheres  
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Occipital Lobes   show
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show Contains the somatosensory cortex; deals with bodily sensations & positioning  
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show body sensations  
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show contains auditory cortex & Wernicke's area; mostly deals with hearing  
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show contains motor cortex & prefrontal cortex (personality, planning, decision making) and Broca's area; number sense, creativity, planning, logic  
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show deals with moving body parts  
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association areas   show
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show Broken speech; person knows answer, but can't physically move their mouth to say it  
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show Wacky speech; person can't comprehend what is being said, so they answer in nonsense words and phrases  
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Endocrine System   show
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show chemical messengers  
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Pituitary gland   show
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Pineal gland   show
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show located in the neck and secretes the hormones that control metabolism and growth.  
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Pancreas   show
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Gonads   show
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show The pair of organs in a woman's body which produce eggs. Also the part of any female animal or plant that produces eggs or seeds  
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Testes   show
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show The pair of adrenal glands are located on top of both kidneys. Adrenal glands work hand-in-hand with the hypothalamus and pituitary gland; produce adrenaline  
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show The threadlike structures made of DNA molecules that contain the genes. A human cell has twenty-three pairs of chromosomes, one member of each pair coming from each parent.  
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DNA   show
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Genes   show
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