CHAPTER 8: THE NERVOUS SYSTEM
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| Afferent Nerves | show 🗑
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| Agraphia | show 🗑
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| Alexia | show 🗑
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| show | without sensitivity to pain.
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| Anesthesia | show 🗑
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| Aneurysm | show 🗑
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| show | inability to communicate through speech, writing, or signs because of an injury to or disease in certain areas of the brain.
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| show | inability to perform coordinated movements or use objects properly.
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| show | without muscular coordination.
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| show | the sensation of an individual experiences prop to the onset of a migraine headache or an epileptic seizure. May be a sensation to light or warmth and may precede the attack by hours or only a few seconds.
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| show | part of the nervous system that regulates the involuntary vital functions of the body, such as the activities involving the heart muscle, smooth muscles, and the glands. The autonomic nervous system has 2 divisions: SNS and the PNS.
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| Axon | show 🗑
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| Blood-brain Barrier | show 🗑
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| Bradykinesia | show 🗑
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| show | the stemlike portion of the brain that connects the cerebral hemisphere with the spinal cord. Contains the midbrain, the pons, and the medulla oblongata.
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| show | a positive sign of meningitis, in which there is an involuntary flexion of the arm, hip and knee when the patient's neck is passively flexed.
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| show | hole drilled into the skull using a form of drill.
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| show | the part of the cell that contains the nucleus and the cytoplasm.
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| show | 1 of the 2 main divisions of the nervous system, consisting of the brain and spinal cord.
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| show | pain in the head; headache.
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| Cerebellum | show 🗑
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| Cerebral Concussion | show 🗑
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| Cerebral Contusion | show 🗑
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| Cerebrospinal Fluid | show 🗑
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| show | the largest and uppermost part of the brain. it controls consciousness, memory, sensation, emotions, and voluntary movements.
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| Coma | show 🗑
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| show | surgical incision into the cranium or skull
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| show | any deficiency or variation of the normal, as in a weakness deficit resulting from a cerebrovascular accident.
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| show | progressive irreversible mental disorder in which the person has deteriorating memory, judgement, and ability to think.
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| Demyelination | show 🗑
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| show | difficult speech.
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| Efferent nerves | show 🗑
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| show | Paralysis of one half of the body. (right or left side)
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| show | 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.
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| show | excessive sensitivity to sensory stimuli; such as pain or touch.
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| Internuerons | show 🗑
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| show | a state of being sluggish
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| show | 1 of the 3 parts of the brain stem. the most essential part of the brain in taht it contains the cadiac, vascomotor, and respiratory centers of the brain.
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| Meninges | show 🗑
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| show | protective sheath that covers the axons on many nerves in the body. it acts as an electrical insulator and helps to speed the conduction of nerve impulses.
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| Narcolepsy | show 🗑
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| Nerve | show 🗑
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| show | injection of a local anesthetic along the course of a nerve or nerves to eliminate sensation to the area supplied by the nerves; also called conduction anesthesia.
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| show | severe, sharp, spasmlike pain that extends along the course of one or more nerves.
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| Neuritis | show 🗑
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| Neurolgia | show 🗑
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| Neurologist | show 🗑
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| Neurology | show 🗑
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| show | a nerve cell.
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| show | a physician who specializes in surgery of the nervous system.
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| Neurosurgery | show 🗑
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| show | a chemical substance within the body that activates or inhibits the transmission of nerve impulses at synapses.
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| show | rigidity of the neck. The neck is resistant to flexion. the condition is seen in patients with meningitis.
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| Occlusion | show 🗑
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| Oligodendrocyte | show 🗑
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| Palliative | show 🗑
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| show | paralysis of the lower extremeties and trunk, usually due to spinal cord injuries.
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| Parasympathethic Nerves | show 🗑
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| show | a sensation of numbness or tingling.
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| Peripheral Nervous System | show 🗑
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| show | to eat.
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| show | small cone-shaped structure (located in the diencephalon of the brain) thought to be involved in regulating the body's biological clock and that produces melatonin; also called the pineal gland.
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| Plexus | show 🗑
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| Quadriplegia | show 🗑
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| show | a sensory nerve ending.
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| Sciatica | show 🗑
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| Sensory | show 🗑
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| Sensory Nerves | show 🗑
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| Somatic Nervous System | show 🗑
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| show | a state of lethargy. the person is unresponsive and seems unaware of his or her surroundings.
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| show | the space located just under the arachnoid membrane that contains CSF.
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| Sympathetic Nerves | show 🗑
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| show | the space between the end of one nerve and the beginning of another, through which nerve impulses are transmitted.
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| Syncope | show 🗑
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| Thalamus | show 🗑
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| Thrombosis | show 🗑
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| show | a small hollow within the brain that is filled with cerebrospinal fluid.
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| Whiplash | show 🗑
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| show | deterioration of a person's intellectual functioning. progressive and extremely debilitating.
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| Amyotrophic Lateral Sclerosis (ALS) | show 🗑
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| Anencephaly | show 🗑
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| show | temporary or permanent unilateral weakness or paralysis of the muscles in the face following trauma to the face, an unknown infection, or a tumor pressing on the facial nerve rendering it paralyzed.
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| Carpal Tunnel Syndrome | show 🗑
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| show | a collective term used to describe congenital (at birth) brain damage that is permanent but not progressive. Characterized by the child's lack of control of voluntary muscles.
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| Cerebrovascular Accident, CVA | show 🗑
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| Degenerative Disk | show 🗑
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| show | the inflammation of the brain or spinal cord tissue largely cuase by a virus that enters the CNS when the person experiences a viral disease such as measles or mumps or through the bite of a mosquito or tick.
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| Epilepsy | show 🗑
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| Grand Mal Seizure | show 🗑
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| Petit Mal Seizure | show 🗑
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| show | acute polyneuritis ("inflammation of many nerves") Of the PNS in which the myelin sheaths on the axons are destroyed, resulting in decreased nerve impulses, loss of reflex response, and sudden muscle weakness.
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| show | recurring, pulsating, vascular headache usually developing on one side of the head.
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| Cluster Headache | show 🗑
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| show | occurs from long, endured contraction of the skeletal muscles around the face, scalp, upper back, and neck.
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| show | collection of blood below the dura mater and above the arachnoid layer of meninges.
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| Herniated Disk | show 🗑
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| Huntington's Chorea | show 🗑
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| show | abnormal increase of cerebrospinal fluid in the brain that causes the ventricles of the brain to dilate, resulting in an increased head circumference in the infant with open fontanel(s); a congenital disorder.
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| show | serious bacterial infections of the meninges- the covering of the brain and spinal cord.
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| show | degenerative inflammatory disease of the CNS attacking the myelin sheath in the spinal cord and brain, leaving it sclerosed (hardened) of scarred and interrupting the flow of nerve impulses
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| Neuroblastoma | show 🗑
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| show | degenerative, slowly progressive deteriorating of nerves in the brain stem's motor system.
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| show | acute brain encephalopathy along with fatty infiltration of the internal organs that may follow acute viral infections; occures in children (ages 5-11) often with fatal result.
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| Cerebral Angiography | show 🗑
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| show | the analysis of a 3-dimensional view of brain tissue obtained as X-ray beams pass through successive horizontal layers of the brain; also called computerized axial tomography (CAT scan).
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| show | measurement of electrical activity produced by the brain and recorded through electrodes placed on the scalp is termed electroencephalography.
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| Lumbar Puncture | show 🗑
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| Magnetic Resonance Imaging (MRI) | show 🗑
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| show | neosurgical procedure to relieve pain in a localized or small area by incision of cranial or peripheral nerves.
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| show | produces computerized radiographic images of various body structures when radioactive substances are inhaled or injected. (Positron Emission Tomography)
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| show | used to evaluate cerebellar function and balance.
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| show | form of cutaneous stimulation for pain relief that supplies electrical impulses to the nerve endings of a nerve close to the pain site. (transcutaneous electrical nerve stimulation)
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