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| 4728485342 | central nervous system | consisting of the brain and spinal cord |  | 0 |
| 4728544288 | peripheral nervous system | responsible for transmitting sensory and motor impulses back and forth between the CNS and the rest of the body |  | 1 |
| 4728548870 | neurology | study of the nervous system and its disroders | 2 | |
| 4728549937 | neurologist | physician who specializes in treating the diseases and disorders of the nervous system | 3 | |
| 4728550381 | neuron | nerve cell |  | 4 |
| 4728550613 | nerve | cordlike bundle of nerve fibers that transmit impulses to and from the brain and spinal cord to the other parts of the body | 5 | |
| 4728551269 | afferent nerves | carry impulses from the body toward the central nervous system; also called sensory nerves | 6 | |
| 4728551664 | efferent nerves | carry impulses from the CNS to the muscles and glands causing the target organs to do something in response to the commands received | 7 | |
| 4728551999 | somatic nervous system | provides voluntary control over skeletal muscle contractions | 8 | |
| 4728552193 | autonomic nervous system | provides involuntary control over smooth muscle, cardiac muscle, and glandular activity and secretions in response to commands of the CNS | 9 | |
| 4728553397 | sympathetic nerves | regulate essential involuntary body functions such as increasing heart rate, constructing blood vessels, and raising the blood pressure | 10 | |
| 4728555087 | parasympathetic nerves | regulate essential involuntary body functions such as slowing the heart rate, increasing peristalsis of the intestines, increasing glandular secretions, and relaxing sphincters | 11 | |
| 4728555830 | nucleus | 12 | ||
| 4728556083 | dendrites | receive nerve impulses |  | 13 |
| 4728556551 | axon | single slender projection that extends from the cell body that conducts impulses away from the neuron |  | 14 |
| 4728556849 | myelin sheath | protects the axon and speeds transmission of the impulses |  | 15 |
| 4728558406 | synapse | space between 2 nerves over which the impulse must cross |  | 16 |
| 4728558777 | motor nerves | efferent nerves | 17 | |
| 4728559702 | sensory nerves | afferent nerves | 18 | |
| 4728560986 | astrocytes | star-shaped neurons are only found in the CNS that wrap themselves around the blood/brain barrier forming a tight sheath |  | 19 |
| 4728561619 | cerebrospinal fluid | fluid that flows between the brain and spinal cord | 20 | |
| 4728561894 | meninges | triple layer of protective connective tissue that surrounds the brain and spinal cord | 21 | |
| 4728562285 | dura matter | outermost layer of meninges | 22 | |
| 4742575087 | epidural space | space immediately outside the dura matter that contains a supporting cushion of fat and other connective tissues | 23 | |
| 4742577596 | arachnoid membrane | middle layer of meninges | 24 | |
| 4742578496 | subarachnoid space | immediately beneath the arachnoid membrane that contains cerebrospinal fluid | 25 | |
| 4742578924 | pia matter | innermost layer of meninges which is tightly bound to the surface of the brain and spinal cord | 26 | |
| 4742581551 | cerebrum | largest part and uppermost portion of the brain that controls consciousness, memory, sensations, emotions, and voluntary movements |  | 27 |
| 4742583768 | cerebellum | attached to the brain stem it has an essential role in maintaining muscle tone and coordinating normal movement and balance |  | 28 |
| 4742584932 | diencephalon | located between cerebrum and midbrain | 29 | |
| 4742585308 | thalamus | receives sensory stimuli (other than smell) | 30 | |
| 4742795292 | hypothalamus | responsible for activating, controlling, and integrating the peripheral autonomic nervous system, endocrine system processes and many sensory functions such as body temp, sleep and appetite | 31 | |
| 4742796539 | pineal body | known as the pineal gland, it regulates the body's biological clock. It also produces melatonin | 32 | |
| 4742797811 | medulla oblongata | lowest part of the brain stem that serves as a pathway for conduction of impulses between the brain and spinal cord. controls respiration, blood pressure and heart rate | 33 | |
| 4742799462 | absence seizure | small seizure in which there is a sudden temporary loss of consciousness lasting only a few seconds | 34 | |
| 4742800165 | agraphia | inability to convert one's thoughts into writing | 35 | |
| 4742800709 | alexia | inability to understand written words | 36 | |
| 4742801005 | analgesia | without sensitivity to pain | 37 | |
| 4742801321 | anesthesia | without feeling or sensation | 38 | |
| 4742801754 | aneurysm | localized dilation in the wall of an artery that expands with each pulsation of the artery | 39 | |
| 4742802333 | aphasia | inability to communicate through speech, writing, or signs because of an injury to disease in certain areas of the brain | 40 | |
| 4742803620 | apraxia | inability to perform coordinated movements or use objects properly | 41 | |
| 4742804098 | aura | sensation an individual experiences prior to the onset of a migraine headache or an epileptic seizure | 42 | |
| 4742805358 | blood-brain barrier | protective characteristic of the capillary walls of the brain that prevents the passage of harmful substances from the bloodstream into the brain tissue or CSF | 43 | |
| 4742807275 | burr hole | a hold drilled into the skull using a form of a drill | 44 | |
| 4742807628 | cauda equina | lower end of the spinal cord and the roots of the spinal nerves that occupy the spinal canal below the level of the first lumbar vertebra | 45 | |
| 4742808674 | cell body | part of the cell that contains the nucleus and the cytoplasm | 46 | |
| 4742809539 | cephalalgia | pain in the head; headache | 47 | |
| 4742809819 | cerebral concussion | brief interruption of brain function, usually with a loss of consciousness lasting for a few seconds | 48 | |
| 4742810621 | cerebral contusion | small scattered venous hemorrhages in the brain; a bruise of the brain | 49 | |
| 4742811059 | coma | a deep sleep in which the individual cannot be aroused and does not respond to external stimuli | 50 | |
| 4742812098 | craniotomy | a surgical incision into the cranium or skull | 51 | |
| 4742812107 | deficit | any deficiency or variation of the normal | 52 | |
| 4742813087 | dementia | a progressive irreversible mental disorder in which the person has deteriorating memory, judgment, and ability to think | 53 | |
| 4742813934 | diplopia | double vision | 54 | |
| 4742814366 | dyslexia | condition characterized by an impairment of the ability to read | 55 | |
| 4742814627 | dysphagia | difficult speech | 56 | |
| 4742814925 | embolism | abnormal condition in which a blood clot becomes lodged in a blood vessel, obstructing the flow of blood within the vessel | 57 | |
| 4742815647 | epilepsy | neurological condition characterized by recurrent episodes of sudden brief attack of seizures | 58 | |
| 4742817056 | gait | style of walking | 59 | |
| 4742817528 | herpes zoster | acute infection caused by the same virus that causes chickenpox, characterized by painful vesicular lesions along the path of a spinal nerve; also called shingles | 60 | |
| 4742818745 | lethargy | a state of being sluggish | 61 | |
| 4742819114 | narcolepsy | uncontrolled, sudden attacks of sleep | 62 | |
| 4742821526 | nerve block | injection of a local anesthetic along the course of a nerve or nerves to eliminate sensation to the area | 63 | |
| 4742831901 | occlusion | blockage | 64 | |
| 4742842698 | palliative | soothing | 65 | |
| 4742843277 | paresthesia | sensation of numbness or tingling | 66 |
