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Chapter 10
Nervous system: combining forms, prefixes, suffixes, pathology
Question | Answer |
---|---|
Alges/o | Excessive sensitivity to pain |
Angi/o | Blood vessel |
Caus/o | Burning |
cephal/o | Head |
Cerebell/o | Cerebellum |
Cerebr/o | Cerebrum |
Comat/o | Deep Sleep (Coma) |
Crani/o | Skull |
Cry/o | Cold |
Dur/o | Dura Matter |
Encephal/o | Brain |
Esthesi/o | Feeling, Nervous sensation |
Gli/o | Glue, parts of the nervous system that support and connect |
Hydr/o | Water, Fluid |
Kines/o | Movement |
Lept/o | Thin, slender |
Lex/o | Word or phrase |
Mening/o, Meningi/o | Membranes, Meninges |
My/o | Muscle |
Myel/o | Bone marrow, Spinal Cord |
Narc/o | Numbness; Stupor; Sleep |
Neur/o | Nerve |
Pont/o | Pons |
Radicul/o | Nerve root |
Spin/o | Spine (back bone) |
Syncop/o | To cut off; Cut short |
Tax/o | Order; Coordination |
Thalam/o | Thalamus |
Thec/o | Sheath (Refers to the meninges) |
Troph/o | Nourishment; Development |
Vag/o | Vagus nerve ( 10th cranial nerve) |
a-, an- | No, Not or without |
Dys/o | Painful; Abnormal |
epi- | Above, Upon; On |
hemi- | Half |
hyper- | Above; Excessive |
hypo- | Below; Deficient |
intra- | Within; Into |
micro- | Small |
para- | Abnormal; Near |
polio- | Grey matter ( of brain or spinal cord) |
poly- | Many; Much |
Quadri- | Four |
Sub- | Under; Below |
-algesia | Sensitivity to pain |
-algia | Pain |
-blast | Embryonic; Immature |
-cele | Hernia |
-esthesia | Nervous sensation |
-gram | Record |
-graphy | Process of recording |
-ine | Pertaining to |
-itis | Inflammation |
-kinesia, -kinesis | Movement |
-kinetic | Pertaining to movement |
-lepsy | Seizure |
-oma | Tumor; Mass; Collection |
-ose | Full of; Pertaining to |
-paresis | Slight paralysis ( weakness) |
-pathy | Disease; Condition |
-phagia | eating, swallowing |
-plegia | Paralysis ( loss or impairment of the ability to move parts of the body) |
-praxia | Action |
-ptosis | Drooping; Sag; Prolapse |
-sclerosis | Hardening |
-sthenia | Strength |
-tomy | Incision or Process of cutting |
-trophy | Nourishment; Development |
Microscopic branching fiber of a nerve cell that is the first part to receive the nervous impulse | Dendrite |
Largest part of the brain | Cerebrum |
The outer most layer of the meninges | Dura Mater |
Covering of white fatty tissue that surrounds and insulates the axon of a nerve cell | Myelin sheath |
A type of neuroglial cell that transports water and salts from capillaries | Astrocyte |
Canals in the brain that contain Cerebrospinal fluid | Ventricles |
The part of the brain that controls sleep, appetite, body temperature, and the secretions from the pituitary glands | Hypothalamus |
Chemical messenger released at the end of a nerve cell | Neurotransmitter |
Part of the brain responsible for coordinating muscle movements and maintaining balance | Cerebellum |
Space through which a nervous impulse travels between nerve cell or between nerve and muscle or glandular cells | Synapse |
Microscopic fiber that carries the nervous impulse along a nerve cell | Axon |
Posterior portion of the brain that connects the cerebrum with the spinal cord | Brainstem |
Collection of spinal nerves below the end of the spinal cord | Cauda Equina |
Collection of nerve cell bodies in the peripheral nervous system | Ganglion |
Part of the brain, just above the spinal cord that controls breathing, heartbeat, and size of blood vessels | Medulla Oblongata |
Main relay center of the brain | Thalamus |
Sheet of nerve cells that forms a rounded ridge on the surface of the cerebral cortex | Gyrus |
Depression or groove in the surface of the cerebral cortex | Sulcus |
Three protective membranes that surround the brain and spinal cord | Meninges |
Thin, delicate inner membrane of the meninges | Pia mater |
The combining form that means brain | Encephal/o |
The combining form that means spinal cord | Myel/o |
The combining form that means nerve | Neur/o |
The combining form that means nerve root | Radicul/o |
The combining form that means burning | Caus/o |
The combining form that means feeling | Esthesi/o |
The combining form that means word or phrase | Lex/o |
The suffix that means strength | -sthenia |
The suffix that means pain | -algia |
The suffix that means seizure | -lepsy |
A subdural hematoma means a collection of blood under (sub-) the ___(dur/o) | Dura Mater |
Encephalitis is inflammation (-itis) of the ____ (encephal/o) | Brain |
Poliomyelitis is inflammation (-itis) of the grey matter (polio-) of the ____ (myel/o) | Spinal Cord |
Neuropathy is disease (-pathy) of _____ (neur/o) | Nerves |
Radiculitis is inflammation (-itis) of the ______ (radicul/o) | Nerve roots |
Neuralgia is _____ (-algia) of the nerves (neur/o) | Pain |
Bradykinesia is slowness (brady-) of ______ (-kinesia) | Movement |
Hemiparesis is ______ (-paresis) in either the right or left half (hemi-) of the body | Weakness |
Ataxia is a condition of no (a-) muscular ______ (tax/o) | Coordination |
Quadriplegia is _______ (-plegia) of all four (quadri-) limbs of the body | Paralysis |
Abnormal accumulation of fluid in the brain | Hydrocephalus |
Congenital defects in the lumbar spinal column caused by imperfect union of vertebral parts | Spina bifida |
Brain disorder marked by gradual and progressive dementia, personality changes, and impairment of daily functioning | AD (Alzheimer disease) |
Degenerative disorder of motor neurons in the spinal cord and brain stem | ALS (Amyotrophic Lateral Sclerosis) |
Chronic brain disorder characterized by recurrent seizure activity | Epilepsy |
Destruction of the myelin sheath on neurons in the CNS and its replacement by plaques of sclerotic tissue | MS (Multiple Sclerosis) |
Autoimmune neuromuscular disorder characterized by weakness of voluntary muscles | MG (Myasthenia Gravis) |
Disease of involuntary, spasmodic, twitching movements, uncontrollable vocal sounds, and inappropriate words | Tourette syndrome |
Bruising of brain tissue as a result of direct trauma to the head | Cerebral contusion |
Disruption in the normal blood supply to the brain; stroke | CVA (Cerebral Vascular attack) |
X-ray imaging of the arterial blood vessels in the brain after injection of contrast material | Cerebral Angiography |
A method of treatment for myasthenia gravis | Thymectomy |
Radioactive glucose is injected and then detected in the brain to image the metabolic activity of cells | PET scan (Positron Emission Tomography) |
Recording of the electrical Activity of the brain | EEG (Electroencephalogram) |
Samples of CSF are examined | Cerebrospinal fluid analysis |
X- ray technique that generates multiple computerized images of the brain and spinal cord | CT scan (Computerized Tomography) |
Magnetic field and pulses of radiowave energy are used to create images of the brain and spinal cord | MRI (Magnetic Resonance Imaging) |
Use of soundwave to detect blood flow in the carotid and intracranial arteries | Doppler Ultrasound Studies |
CSF is withdrawn from between two lumbar vertebrae for analysis | Lumbar Puncture |
Use of a specialized instrument to locate and treat targets in the brain | Stereotactic Radiosurgery |
AD | Alzheimer Disease |
ALS | Amyotrophic Lateral Sclerosis |
MS | Multiple Sclerosis |
MG | Myasthenia Gravis |
CVA | Cerebral Vascular Attack |
CNS | Central Nervous System |
CSF | Cerebral Spinal Fluid |
EEG | Electroencephalogram |
MRI | Magnetic Resonance Imaging |
ACE | Types of neurons: Afferent, Connecting, Efferent |
Afferent Neurons | Sensory neurons; emerge from sensory organs and the skin to carry the impulses from the sensory organs toward the brain and spinal cord |
Anesthesia | The absence of normal sensation, especially sensitivity to pain, that is induced by the administration of an anesthetic |
Aphasia | The loss of the ability to speak, write, and/or comprehend the written or spoken word |
Arachnoid Membrane | The second layer of the meninges and is located between the dura mater and the pia mater. |
Autonomic nervous system | controls the involuntary actions of the body |
Axon | A process that extends away from the cell body and conducts impulses away from the nerve cell |
Bell's palsy | Temporary paralysis of the seventh cranial nerve that causes drooping only on the affected side of the face |
Brainstem | The stalk-like portion of the brain that connects the cerebral hemispheres with the spinal cord; made up of three parts: the midbrain, pons, and medulla |
Causalgia | Persistent, severe burning pain that usually follows an injury to a sensory nerve |
Cephalalgia | Pain in the head; Also known as headache |
Cerebellum | The second largest part of the brain, located at the back of the head below the posterior portion of the cerebrum |
Cerebral | Pertaining to the cerebrum |
Cerebral hemispheres | The cerebrum is divided into these two parts |
Cerebrum | The largest and uppermost portion of the brain, consisting of four lobes. |
Cervical radiculopathy | Nerve pain caused by pressure on the spinal nerve roots in the neck region |
Cognition | The mental activities associated with thinking, learning, and memory |
Coma | A deep state of unconsciousness |
Concussion | A violent shaking up or jarring of the brain that may result in ttemporary loss of awareness and function |
Connecting neurons | Associative neurons which link sensory and motor neurons |
Cranial Hematoma | A collection of blood trapped in the tissues of the brain |
Cranial nerves | 12 pairs of nerves that originate from the undersurface of the brain |
Dementia | A slowly progressive decline in mental abilities, including memory, thinking, and judgement. |
Dendrites | The root-like processes that receive impulses and conduct them to the cell body |
Descending nerve tracts | Carry nerve impulses away from the brain |
Dura Mater | The thick, tough, outermost membrane of the meninges |
Dyslexia | A learning disability characterized by substandard reading achievement due to the inability of the brain to process symbols; also known as a development reading disorder |
Efferent neurons | Motor neurons that carry impulses away from the brain and spinal cord and toward the muscles and glands. |
Encephalocele | A congenital herniation of brain tissue through a gap in the skull |
Epidural Anesthesia | Regional Anesthesia produced by injecting a local anesthetic into the epidural space of the lumbar or sacral region of the spine |
Ganglion | A nerve center made up of a cluster of nerve cell bodies outside the central nervous system |
Glial cells | Provide support and protection for neurons |
Hemorrhagic stroke | Occurs when a blood vessel in the brain leaks or ruptures; also known as a bleed |
Hypothalamus | (below the thalamus) contains neurons that control body temperature, sleep, appetite, sexual desire, and emotions such as fear and pleasure |
Ischemic stroke | A type of stroke that occurs when the flow of blood to the brain is blocked |
Lobectomy | Surgical removal of a portion of the brain to treat brain cancer or seizure disorders that cant be controlled with medication |
Lumbar puncture | The process of obtaining a sample of CSF by inserting a needle into the subarachnoid space of the lumbar region to withdraw fluid |
Lumbar radiculopathy | Nerve pain in the lower back caused by muscle spasms or by the nerve root irritation from the compression of vertebral disks such as a herniated disk. |
Medulla | Located at the lowest part of the brainstem, connected to the spinal cord |
Meninges | The system of membranes that enclose the brain and spinal cord of the CNS |
Meningitis | An inflammation of the meninges of the brain or spinal cord |
Meningocele | The congenital herniation of the meninges that surround the brain or spinal cord through a defect in the skull or spinal column |
Midbrain and pons | provides conduction pathways to and from the higher and lower centers in the brain |
Myelin sheath | The protective covering made up of glial cells |
Myelitis | An inflammation of the spinal cord; also inflammation of bone marrow |
Narcolepsy | A sleep disorder consisting of recurring episodes of falling asleep during the day |
Nerve | One or more bundles of neurons that connect the brain and the spinal cord with other parts of the body |
Neurons | The basic cells of the nervous system that allow different parts of the body to communicate with eachother |
Neuroplasty | The surgical repair of a nerve or nerves |
Neurorraphy | Surgically suturing together the ends of a severed nerve |
Neurotransmitter | Chemical substances that make it possible for messages to cross from the synapse of a neuron to the target receptor (Acetylcholine, dopamine, endorphins, norepinephrine, serotonin) |
Parasympathetic nervous system | Returns the body to normal after a response to stress |
Paresthesia | refers to a burning or prickling sensation |
PD | Parkinson's disease- A chronic degenerative central nervous disorder in which there is a progressive loss of control over movement, resulting in tremors and a shuffling gait |
Peripheral nervous system (PNS) | includes the 12 pairs of cranial nerves extending from the brain and the 31 pairs of peripheral spinal nerves extending outward from the spinal cord |
Pia mater | The third layer of the meninges, located nearest to the brain and spinal cord (Delicate) |
Plexus | A network of intersecting spinal nerves |
Poliomyelitis | A highly contagious viral disease; also known as Polio |
Radiculitis | an inflammation of the root of a spinal nerve that causes pain and numbness radiating down the affected limb; also known as a pinched nerve |
Receptors | Sites in the sensory organs that receive external stimulation |
SAM | Neuron functions: Sensory neurons (afferent) Associative neurons (connecting) Motor neurons (Efferent) |
Stimulus | anything that excites a nerve and causes an impulse |
Sympathetic nervous system | Prepares the body for emergencies and stress by increasing heart rate , breathing rate and blood flow to muscles |
Synapse | The space between two neurons or between a neuron and a receptor organ |
Syncope | Fainting |
Terminal end fibers | the branching of fibers at the end of the axon that lead the nervous impulse from the axon to the synapse |
Thalamotomy | A surgical incision into the thalamus |
Thalamus | Located below the cerebrum, produces sensations by relaying impulses to and from the cerebrum and the sense organs of the body |
TIA | Transient ischemic attack- the temporary interruption in the blood supply of the brain |
Acetycholine | chemical that influences muscle action |
Dopamine | Released within the brain, involved in mood and thought disorders and in abnormal movement disorders such as Parkinson's disease |
Endorphins | Naturally occurring substances that are produced by the brain to help relieve pain. |
Norepinephrine | responds to hypotension and physical stress |
Seratonin | has roles in sleep, hunger, and pleasure recognition |
White matter | Portion of the nerve fibers that are myelinated |
Gray matter | Portion of the nerve fiber that is unmyelinated |
epidural space | inner surface of the vertebral column |
subdural space | located between the dura mater and the arachnoid membrane |
subarachnoid space | located between the arachnoid membrane and above the pia mater, contains CSF |
cerebral cortex | deep folds known as fissures |
frontal lobe | controls skilled motor functions, memory , and behaviour |
parietal lobe | receives and interprets nerve impulses from the sensory receptors in the tongue skin and muscles |
occipital lobe | controls eyesight |
temporal lobe | hearing, smell, ability to create, store, and access new information |
absence seizure | Minor (petit mal) form of seizure, consisting of momentary clouding of consciousness and loss of awareness of surroundings. |
aneurysm | Enlarged, weakened area in an arterial wall, which may rupture, leading to hemorrhage and CVA (stroke). |
aura | Peculiar symptom or sensation occurring before the onset (prodromal) of an attack of migraine or an epileptic seizure. |
embolus | Clot of material that travels through the bloodstream and suddenly blocks a vessel. |
gait | Manner of walking. |
occlusion | Blockage. |
palliative | Relieving symptoms but not curing them. |
AFP | alpha-fetoprotein; elevated levels in amniotic fluid and maternal blood are associated with congenital malformations of the nervous system, such as anencephaly and spina bifida |
ICP | intracranial pressure (normal pressure is 5 to 15 mm Hg) |
PCA | patient controlled anesthesia |
Sz | seizure |
tPA | tissue plasminogen activator; a clot-dissolving drug used as therapy for stroke |