Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Spinal nerves | 31 pairs of nerves connected to spinal cord
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Amyloid | Starch like substance the accumulates in the Alzhiemers brain
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Myelin | White fatty material that covers some axons and speeds elextricate conduction
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Neuron | Nerve cell that allows communication between body parts
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Hydrocephalus | Excess CSF in the brain
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Multiple sclerosis | Loss of myelin, sclerosis of central nervous tissue
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Parkinsinism | Neurons don't secrete dopamine. Characterized by tremors, muscle rigitidy, akinesia, and emotional problems
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Axon | Carries impulses away from the cell body
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Dendrite | Carries impulses toward the cell body
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Brain stem | Connects the brain and spinal cord; consists of the midbrain, pons, and medulla oblongata
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Diencephalon | Contains thalamus, hypothalamus and the pituitary gland
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Ganglion | Collection of cell bodies along a nerve pathway
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Cerebellum | In charge of voluntary muscle movements, posture, coordination, and balance
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Cerebrospinal fluid | Csf; made in ventricles of the brain, circulates around the brain protecting and cushioning
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Reflex | Simple autonomic response that requires few neurons
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Arachnoid mater | Middle web like layer of the meninges
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Pia mater | Thin vascular inner layer of the meninges attached to the brain and spinal cord
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Dura mater | Thick tough outer layer of the meninges
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Cortic/o | Cerebral cortex, outer portion
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Autonomic nervous system | Controls smooth muscle, cardiac muscle, and glands. Responsible for automatic responses and responses to stress. Sympathetic and parasympathetic
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Neuroglia | Supports and protects nervous tissue
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Traumatic brain injury | Cuncussion that damages the brain
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Somatic nervous system | Controls skeletal muscles
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Peripheral nervous system | Consists of nervous tissue outside the brain and the spinal cord. 12 pairs of cranial nerves and 31 pairs of spinal/peripheral nerves
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Cerebrum | Responsible for memory, reasoning, and abstract thinking
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Myelinated tissue | White matter of the nervous system
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Nerve | Bundles of neurons
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Cerebral cortex |
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Neurotransmitter | Chemical that transmits energy through a synapse
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Unmyelinated tissue | Gray matter of nervous tissue
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Anuerism | Weakening or dilation of a vessel in the brain. Effects of burst: paralysis, hemiplegia, hemiparesis, aphasia
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Synapse | Point of contact between neurons
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Radicul/o | Spinal nerve root
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Gli/o | Neuroglia
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Neur/o | Nervous system, nervous tissue, nerve
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Mening/o | Meninges
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Spinal reflex | Impulses do not go to the brain
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Cerebrovascular accident | Brain is deprived of oxygen due to occlusion in the vessels
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Cerebroangiography | Radiographic image of brain
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Signs of stroke | F-face drooping
A-arms droopy/weakness
S-speech slurred or confused
T-time to call 911
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Glioma | Tumors of nonconducting support cell
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Lepsy | Seizure
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Motor (efferent) neuron | Carries impulses away from the CNS
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Sensory (afferent) neuron | Carries impulses toward CNS
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Dopamine | Responsible for mood and thought disorders, involuntary movement
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Parasympathetic | Returns body to normal, calms down after stress
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Sympathetic | Fight or flight; raises HR and respiration, stops digestion
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Astrocytoma | Tumor composed of astrocytes
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Central nervous system | Brain and spinal cord
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Epilepsy | Abnormal electrical activity in the brain
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Gyri | Raised areas of the brain
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Sulci | Grooves in the cerebral cortex
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Serotonin | Plays roles in sleep, hunger, and pleasure recognition
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Endorphin | Body's natural high, relieves pain
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