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285 Cards in this Set
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- Back
ductless glands of the endocrine system include
|
pituitary, thyroid, adrenal, pancreatic, pineal and thymus and ovaries/testes |
|
antagonistic |
opposing |
|
electrolyte |
mineral salt that carries an electrical charge in a solution |
|
glucagon |
hormone produced by pancreatic alpha cells that stimulates the liver to change stored glycogen (a starch form of sugar) to glucose |
|
glucose |
simple sugar |
|
insuline |
hormone produced by the beta cells of the liver that allow the body cells to use glucose for energy or store it in the liver as glycogen |
|
sympathomimetic |
agent that mimics the effects of the sympathetic nervous system (epinephrine and NE) |
|
pituitary gland (hypophysis) |
master gland because it regulates many body activities posterior lobe: ADH and oxytocin and anterior lobe has ACTH, FSH, GH, LH, PRL, TSH |
|
thyroid gland is the |
largest gland of the endocrine system; separated by a lobe of tissue called an isthmus |
|
ACTH |
adrenocorticotropic hormone; promotes secretion of corticosteroids, especially cortisol |
|
follicle stimulating hormone |
promotes egg production in females; increases estrogen secretion testes in males stimulate sperm production |
|
growth hormone |
regulate growth of bone, muscle, and other body tissues; increases use of fat for energy |
|
luteinizing hormone |
females: promotes ovulation, stimulates estrogen and progesterone production males: promotes secretion of testosterone |
|
prolactin |
breast in conjunction with other hormones promotes lactation |
|
thyroid stimulating hormone |
stimulates secretion of thyroid hormones |
|
antidiuretic hormone |
kidney- increases water resorption (water returns to blood) |
|
oxytocin |
uterus: stimulates uterine contractions, initiates labor breast: promotes milk secretion from the mammary glands |
|
calcitonin |
thyroid hormone: regulates calcium levels in the blood in conjunction with parathyroid hormone decreases the resorption of calcium and phosphate from bones to blood |
|
thyroxine and triiodothyronine |
thyroid hormone; increases energy production from all food types; increases rate of protein synthesis |
|
parathyroid hormone |
bones: increases reabsorption of calcium and phosphate from bone to blood kidneys: increases calcium absorption and phosphate excretion small intestine: increases absorption of calcium and phosphate |
|
mineralocorticoids |
aldosterone: mainly through kidneys to maintain the balance of electrolytes in the body; conserve sodium and excrete potassium and conserves water |
|
glucocorticoids |
body cells- promote gluconeogenesis; regulate metabolism of carbs, proteins and fats, and help depress inflammatory and immune responses |
|
sex hormones |
females responsible for female libido and source of estrogen after menopause (otherwise insignificant effects) |
|
epinephrine and NE |
sympathetic nervous system target organs; hormone effects mimic sympathetic nervous system activation, increase metabolic rate and heart rate, and raise blood pressure by promoting vasoconstriction |
|
pancreas is |
endocrine and exocrine gland glucagon secreted by alpha cells insulin made by beta cells |
|
glucagon |
liver and blood- raises the blood glucose level by accelerating conversion of glycogen into glucose in the liver and other nutrients into glucose in the liver; and releasing glucose into the blood |
|
insulin |
tissue cells-lowers blood glucose level by accelerating glucose transport into cells and the use of that glucose for energy production (glucose to glycogen) |
|
pineal gland--3rd ventricle of brain- |
secretes melatonin (melatonin hi-ovulation is blocked and there is a delay in puberty) |
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adren/o adrenal/o |
adrenal glands |
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calc/o |
calcium |
|
crin/o |
secrete |
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gluc/o glyc/o glycos/o |
sugar, sweetness |
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home/o |
same, alike |
|
kal/i |
potassium, an electrolyte |
|
pancreat/o |
pancreas |
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parathyroid/o |
parathyroid glands |
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thym/o |
thymus gland |
|
thyr/o thyroid/o |
thyroid gland |
|
toxic/o |
poison |
|
-crine |
secrete |
|
-dipsia |
thirst |
|
-gen |
forming, producing, origin |
|
-toxic |
pertaining to poison |
|
-uria |
urine |
|
eu- |
good, normal |
|
exo- |
outside, outward |
|
hyper- |
excessive, above normal |
|
hypo- |
below, under |
|
poly- |
many, much |
|
hypersecretion is generally treated by |
surgery |
|
endocrinology/ endocrinologist |
treatment and management of endocrine disorders |
|
pituitary disorders |
usually hyper/hyposecretion of GH or ADH |
|
GH disorder |
lead to body size abnormalities |
|
abnormal ADH |
leads to excess fluid build up in the body and low blood sodium (hyponatremia) |
|
cretinism |
infant hypothyroidism disorder that can lead to mental retardation, impaired growth or low body temperatures and abnormal bone formation |
|
myxedema |
adult hypothyroidism- symptoms of edema, low blood levels of T3 and T4, weight gain, cold intolerance, fatigue, depression, muscle joint pain |
|
graves disease |
hyperthyroidism; elevated metabolic rate, weight loss, excessive perspiration, muscle weakness and emotional stability |
|
exphthalmos |
graves disease, eyes protrude outward because of edematous swelling in tissues behind them |
|
thyroid gland enlarged |
goiter |
|
toxic goiter |
occurs because of the excessive release of TSH from the anterior lobe; causes thyroid cells to enlarge and secrete extra amounts of hormones; drug therapy or surgery |
|
hypoparathyroidism |
insufficient production of PTH; caused by primary parathyroid dysfunction or elevated calcium levels; primary effect is decreased blood calcium level; makes muscle twitches (tetany) |
|
hyperparathyroidism |
benign tumor causes; PTH excess leads to demineralization of bones (osteitis fibrosa cystica) making them porous |
|
when disease is generalized and all bones are affected; this disorder is known as |
von Recklinghausen disease |
|
kidney stones |
nephrolithiasis |
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addison's diease |
chronic disorder caused by deficiency of cortical hormones; results when adrenal cortex is atrophied autoimmune process in which circulating adrenal antibodies slowly destroy the gland; gland is destroyed 90% before symptoms appear; sodium and potassium metabolism may be lost through urination |
|
cushing syndrome |
cluster of symptoms produced by excessive amounts of cortisol, ACTH, or both in blood slow healing wounds, thinning hair, moon face, buffalo hump, supracalvicular fat pad, increased facial hair, purple striae, easy bruising alters carb and protein metabolism and electolyte balance- sodium retention |
|
hair growth in unusual places |
hirsutism |
|
pheochromocytoma |
produces excessive amounts of EPI and NE; most tumors are encapsulated and benign produce high bp, rapid heart rate, palpitations, visual blurring etc |
|
diabetes |
most common pancreatic disorder; insufficient production of insulin or the bodys ability to use insulin |
|
ketosis |
diabetic condition when body cells are deprived of glucose; their principal nutrient |
|
glucose in urine |
glycosuria |
|
abnormal thirst |
polydispsia |
|
abnormal hunger |
polyphagia |
|
type 1 diabetes |
body does not produce sufficient insulin, patient needs glucometer; to determine amount of insulin they require; rotate injection sites to avoid injury |
|
type 2 diabetes |
most common form; onset later in life caused by the body's defciency in being able to utilize insulin, insulin resistant cells, etc oral antidiabetics and weight loss may be prescribed |
|
DKA diabetic ketoacidosis |
diabetic coma; caused by too little insulin, failure to follow a prescribed diet, physical or emotional stress, or undiagnosed diabetes |
|
chronic complications of diabetes |
nephropathy, rentinopathy, |
|
pancreatic cancer |
tumors called adenocarcinomas; poor survival rate; exposure to chemicals, high fat diet and heavy coffee intake are associated with this |
|
pituitary tumors |
adenomas: benign tumors |
|
thyroid carcinoma |
hard nodule in lymph nodes; accompanied with an enlarged thyroid; sometimes causes hyperthyroidism |
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acromegaly |
rare hormonal disorder in adulthood usually caused by a GH secreting pituitary tumor (adenoma) that promotes the soft tissue and bones of the face, hands, and feet to grow larger than normal |
|
diuresis |
increased formation and secretion of urine- DM and renal failure |
|
glycosuria |
abnormal amount of glucose in urine |
|
graves disease |
multisystem autoimmune disorder characterized by pronounced hyperthyroidism usually associated with enlarged thyroid gland (goiter) and exophtalmos |
|
hirsutism |
excessive distribution of body hair in women |
|
hypercalcemia |
calcium in blood is higher than normal; overactivity in parathyroid glands or cancer |
|
hyperkalemia |
potassium level in the blood is higher than normal; important for heart rhythm and muscle contraction- can be a serious problem that leads to cardiac arrest and death |
|
hypervolemia |
abnormal increase in volume of blood plasma; retention of large amounts of sodium and water |
|
hyponatremia |
lower than normal salt levels in blood; excessive amount of fluid in the body |
|
insulinoma |
tumor of the islet of langerhans of the pancreas |
|
obesity |
excessive accumulation of fat that excess the body's skeletal and physical standards; 20% or more above ideal body weight |
|
morbid obesity |
BMI of 40 or greater; 100 pounds over ideal body weight |
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panhypopituitarism |
total pituitary impairment that brings about a progressive and general loss of hormone activity |
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pheochromocytoma |
small chromaffin cell tumor usually located in the adrenal medulla, causing elevated heart rate and blood |
|
thyroid storm |
crisis of uncontrolled hyperthyroidism caused by the release into the bloodstream of an increased amount of thyroid hormone; also called thryotoxic crisis |
|
virilism |
masculinization or development of male secondary sex characteristics in a woman |
|
expothalmometry |
measures of the degree forward displacement of the eyeball in graves disease |
|
parathyroidectomy |
excision of one or more of the parathyroid glands, usually to control hyperparathyroidism |
|
transsephenoidal hypophysectomy |
endoscopic procedure to surgically remove a pituitary tumor through an incision in the sphenoid sinus without disturbing brain tissue; for cushing syndrome |
|
thymectomy |
excision of the thymus gland; remove tumors of thymus gland |
|
thyroidectomy |
excision of the entire thyroid gland (thyroidectomy), part of it (subtotal thyroidectomy) or a single lobe (thyroid lobectomy) |
|
fasting blood sugar |
test that measures glucose levels in a blood sample following a fast of at least 8 hrs |
|
GTT glucose tolerance test |
screening test in which a dose of glucose is administered and blood samples are taken afterward at regular intervals to determine how quickly glucose is cleared from the blood |
|
insulin tolerance test ITT |
diagnostic test in which insulin is injected into the vein to assess pituitary function, adrenal function, and to determine insulin sensitivity |
|
thyroid function test |
test that detects an increase or decrease in thyroid function |
|
total calcium test |
test that measures calcium to detect bone and parathyroid disorders |
|
computed tomography |
imaging technique that rotates an xray emitter around the area to be scanned and measures the intensity of transmitted rays from different angles (cross sectional image that appears as a slice) |
|
magnetic resonance imaging (MRI) |
noninvasive imaging technique that uses radio waves and a strong magnetic field rather than an xray beam to produce multiplanar cross sectional images; avoids hazards of ionizing radiation |
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radioactive iodine uptake |
administration of radioactive iodine in pill or liquid form as a tracer to test how quickly the thyroid gland takes up iodine from the blood |
|
thyroid scan |
images of the thyroid gland are obtained after oral or intravenous administration of a small dose of radioactive iodine |
|
afferent |
going towards a central structure; to CNS |
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blood brain barrier |
protective mechanism that blocks specific substances found in the bloodstream from entering delicate brain tissue |
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efferent |
carry or move away from a central structure |
|
limbic system |
complex neural system located beneath the cerebrum that controls basic emotions and drives and plays an important role in memory (emotional) |
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neurilemma |
additional external myelin sheath that is formed by schwann cells and found only on axons in the peripheral nervous system |
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ventricle |
organ chamber or cavity that receives or hold fluid |
|
neurons |
transmit impulses |
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cell body |
enlarged structure of the neuron that contains the nucleus of the cell and various organelles |
|
dendrites |
branching cytoplasmic projections carry impulses to the cell body |
|
axons |
carry impulses away from cell body; have myelin sheath, covering acts to accelerate impulse |
|
PNS neural cells have |
myelin sheath by schwanns cells; exterior surface forms nurilemma |
|
CNS neural cells have |
oligodendrocytes rather than schwann cells; short unmyelinated spaces between are nodes of ranvier |
|
synapse |
functional connection between two neurons or a neuron and effector organ |
|
neurotransmitter |
released at the end of its axon |
|
neuroglia |
cells that support neurons and bind them to other neurons or other tissues of the body; means nerve glue |
|
astrocytes |
star shaped neuroglia, 3D support for neurons and form tight sheaths around the capillaries of the brain; provide obstruction called the blood brain barrier to keep large molecules out |
|
oligodendrocytes |
responsible for developing myelin on axons and neurons in the CNS |
|
microglia |
smallest of neuroglia; possess phagocytic properties and become active in times of infection |
|
ependyma |
ciliated cells that line fluid filled cavities of the CNS; epescially ventricles of the brain |
|
CNS |
brain and spinal cord; white or gray matter |
|
brain |
has cerebrum, cerebellum, diencephalon, and brainstem |
|
cerebrum |
largest uppermost portion of the brain; 2 hemispheres divided by a longitudinal fissure |
|
corpus callosum |
joins the two hemispheres |
|
insula |
5th lobe of brain |
|
cerebral surface is covered by folds called gyri |
gyri are separated by furrows called sulci |
|
thin layer called cerebral cortex covers the entire cerebrum and is composed of |
gray matter (most information processing done here) |
|
limbic system |
emotional brain; controls behaviors like rage, fear, anger and emotional aspects |
|
cerebellum |
second largest structure of the brain; involves movement, posture, balance, coordination, refines muscular movement |
|
diencephalon |
interbrain; many smaller structures including the hypothalamus and thalamus |
|
thalamus |
sensory stimuli received and transmit them to appropriate centers in the cerebral cortex; can receive from cerebrum and relay them to efferent nerves |
|
hypothalamus |
regulates involuntary activities such as heart rate, body temperature, and fluid balance; controls many endocrine functions |
|
brainstem |
midbrain/ mesencephalon, medulla, pons origin of the 10-12 pairs of cranial nerves and controls respiration, blood pressure and heart rate |
|
spinal cord |
transmits sensory impulses from the body to the brain and motor impulses from the brain to muscles and organs of the body |
|
meninges |
coverings are the dura mater, arachnoid mater, and pia mater |
|
dura mater: |
outermost covering of brain and spinal cord; tough and fibrous and composed of CT, also called pachymeninges |
|
arachnoid |
middle covering and has spiderweb appearance; subarachnoid space contains cerebrospinal fluid |
|
collection of fluid in the brain |
hydrocephalus |
|
pia mater |
innermost meninx, adheres directly to the brain and spinal cord, passes over the brain and follows contours of gyri and sulci; has BV and lymphatics also called leptomeninges |
|
PNS |
all nervous tissue outside the spinal column and skull; cranial nerves and spinal nerves |
|
cranial nerves |
originate in base of brain and emerge; sensory motor, or mixture of both |
|
sensory nerves |
afferent, and receive impulses from the sense organs including the eyes, ears, nose tongue and skin |
|
motor nerves |
are efferent and conduct impulses to muscles and glands |
|
mixed nerves |
both sensory and motor fibers; can sense or produce impulses for actions |
|
spinal nerves |
31 spinal nerves, all are mixed nerves each has dorsal point of attachment and ventral point of attachment anterior root: motor fibers posterior root: sensory fibers |
|
somatic nervous system |
motor impulses transmitted to muscles under conscious control |
|
autonomic nervous system |
motor impulses transmitted to glands and muscles not under conscious control |
|
sympathetic division (ANS) |
fight or flight |
|
parasympathetic (ANS) |
resting and digesting |
|
cerebr/o |
cerebrum |
|
crani/o |
cranium (skull) |
|
encephal/o |
brian |
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gangli/o |
ganglion, knot or knot like mass |
|
gli/o |
glue, neuroglial tissue |
|
kinesi/o |
movement |
|
lept/o |
thin, slender |
|
lex/o |
word, phrase |
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mening/o meningi/o |
meninges, membranes covering the brain and spinal cord |
|
myel/o |
bone marrow; spinal cord |
|
narc/o |
stupor; numbness, sleep |
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neur/o |
nerve |
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radicul/o |
nerve root |
|
sthen/o |
strength |
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thalam/o |
thalamus |
|
thec/o |
sheath (usually refers to meninges) |
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ton/o |
tension |
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ventricul/o |
ventricle of the heart or brain |
|
-algesia -algia |
pain |
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-asthenia |
weakness, debility |
|
-esthesia |
feeling |
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-kinesia |
movement |
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-lepsy |
seizure |
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-paresis |
partial paralysis |
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-phasia |
speech |
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-plegia |
paralysis |
|
-taxia |
order, coordination |
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pachy- |
thick |
|
para- |
near, beside, beyond |
|
syn- |
union; together, joined |
|
uni- |
one |
|
involuntary movement |
dyskinesia |
|
neurology |
branch of medicine |
|
psychiatry |
branch of medicine concerned with mental illness |
|
radiculopathy or radiculitis |
inflammation of the nerve root associated with the spinal column; pressure can cause pain and tingling; can be result of herniated disk, degenerative changes, etc |
|
decompression surgery |
to remove pressure in spinal column |
|
cerebrovascular disease |
abnormality of the cerebrum caused by disorders of BV of the rain; |
|
stroke |
cerebrovascular incident 3 (ischemic, intracerebral hemorrhage and subarachnoid hemorrhage) |
|
80% of all strokes are |
ischemic stroke |
|
ischemic stoke |
caused by narrowing of vessels in brain and neck due to atherosclerosis; narrowing hinders oxygen delivery; plaque can break lose and head downstream |
|
intracerebral hemorrhage |
caused by sudden rupture of artery in the brain; released blood compresses brain structures and destroys them |
|
subarachnoid hemorrhage |
blood is released into the space surrounding the brain; condition commonly caused by a ruptured aneurysm and is usually fatal |
|
hemiparesis |
weakness in one half of the body |
|
hemiplegia |
paralysis of half the body |
|
inability to speak |
aphasia |
|
lack of muscle coordination |
ataxia |
|
TIA transient ischemic attack |
1/3 of all strokes preceded by TIA |
|
clot buster |
thrombolytic medication |
|
seizure disorders |
characterized by sudden changes in behavior or consciousness |
|
epilepsies |
chronic seizure disorders |
|
warning signal |
aura |
|
partial seizures |
only portion of the brain is involved |
|
generalized seizure |
entire brain is involved |
|
tonic clonic seizure/ grand mal |
tonic (body becomes rigid) clonic (uncontrolled jerking) recovery may take hours |
|
status epilepticus |
tonic clonic seizures follow after one another without an intervening period of recovery |
|
parkinsons disease |
shaking palsy; neurological disorder affecting the portion of the brain that is responsible for controlling movement neurons degenerate; dopamine is lacking in the brain; must administer L dopa |
|
MS multiple sclerosis |
progressive degenerative disease of the CNS; inflammation, hardening and loss of myelin; conduction pathway short circuits; tremors and muscle weakness, patient is bedridden |
|
alzheimer disease |
causes memory loss and mental deterioration, small lesions called plaques develop in the cerebral cortex and disrupt the passage of electrochemical signals between cells |
|
mental illness |
array of psychological disorders and syndromes, behavioral paterns, etc |
|
psychosis |
mental disorder in which there is severe loss of contact with reality and sometimes delusions |
|
neurosis |
mental disorder caused by an emotion experienced in the past that overwhelmingly interferes or affects present emotion (phobias, hysterias, OCS) |
|
affective disorder |
psychological disorder in which the major characteristic is an abnormal mood; usually mania or depression |
|
anorexia nervosa |
eating disorder characterized by a refusal to maintain adequate weight for age and height and a desire to stay thin |
|
anxiety |
psychological worry disorder characterized by excessive pondering, lack of interest, worry, and dreadful feelings |
|
attention deficit hyperactivity disorder |
disorder affecting children and adults characterized by impulsiveness, overactivity,, and the inability to remain focused on a task |
|
autism |
developmental disorder characterized by extreme withdrawal and an abnormal absorption in fantasy usually accompanied by inability to communicate |
|
bipolar disorder |
mental disorder that causes unusual shifts in mood, emotion, energy and the ability to function; also called manic depressive illness |
|
bulimia nervosa |
eating disorder characterized by binging and purging |
|
depression |
mood disorder associated with sadness, despair, discouragement and commonly feelings of low self esteem, guilt and withdrawal |
|
mania |
mood disorder characterized by mental and physical hyperactivity; disorganized behavior and excessively elevated mood |
|
neurosis |
nonpsychotic mental illness that triggers feelings of distress and anxiety and impairs normal behaviors |
|
panic attack |
sudden intense feeling of feat that comes without warning and is not attributable to any immediate danger |
|
psychosis |
major emotional disorder in which contact with reality is lost to the point that the individual is incapable of meeting the challenges of daily lifei |
|
intracranial tumors |
that originate in the brain tissue are called primary intracranial tumors ; headache |
|
papilledema |
optic disk in back of eyeball swells |
|
agnosia |
inability to comprehend auditory, visual, spatial, olfactory, or other sensations even though the sensory sphere is intact |
|
asthenia |
weakness, debility, loss of strength |
|
ataxia |
lack of muscle coordination in the execution of voluntary movement |
|
closed head trauma |
injury to head in which the dura mater remains in tact and brain tissue is not exposed |
|
brain hits inside of the skull |
coup |
|
opposite side of brain hits the skull |
contrecoup |
|
coma |
abnormally deep unconsciousness with an absence of voluntary response to stimuli |
|
concussion |
injury to the brain, occasionally with transient loss of consciousness as a result of trauma to the head |
|
convulsion |
any sudden and violent contraction of one or more voluntary muscles |
|
dementia |
broad term that refers to cognitive deficit, including memory impairment |
|
dyslexia |
inability to learn and process written language, despite adequate intelligence, sensory ability, and exposure |
|
guillian barre syndrome |
autoimmune condition that causes acute inflammation of the peripheral nerves in which myelin sheaths on the axons are destroyed, resulting in decreased nerve impulses, loss of reflex response and sudden muscle weakness viral GI infection |
|
herpes zoster |
acute inflammatory eruption of highly painful vesicles on the trunk of the body or occasionally the face; also called shingles |
|
huntington chorea |
inherited disease of the CNS characterized by quick involuntary movements, speech disturbances, and mental deterioration |
|
hydrocephalus |
accumulation of fluid in the ventricles of the brain, causing increased intracranial pressure, thinning of brain tissue, and separation of cranial bones |
|
acquired hydrocephalus |
develops at birth; or any time afterward as a result of injury or disease |
|
congenital hydrocephalus |
during fetal development/genetic abnormalities |
|
lethary |
abnormal inactivity or lack of response to normal stimuli |
|
anencephaly |
congenital deformity in which some or all of fetal brain is missing; stillborn dies |
|
spina bifida |
congenital deformity of the neural tube which fails to close during fetal development; also called neural tube defect |
|
meningocele spina bifida |
spinal cord develops properly but meninges protrude through spine |
|
myelomeningocele spina bifida |
most severe form of spina bifida, spinal cord and meniges protrude through spine |
|
occulta spina bifida |
one or more vertebrae are malformed and spinal cord is covered with a layer of skin |
|
palsy |
paralysis usually partial and commonly characterized by weakness and shaking or uncontrolled tremor |
|
bell palsy |
facial paralysis caused by a functional disorder of the 7th cranial nerve |
|
cerebral palsy |
type of paralysis that affects movement and body position and sometimes speech and learning ability |
|
paralysis |
loss of voluntary motion in one or more muscle groups with or without loss of sensation |
|
hemiplegia |
loss on one side of the body; unilateral |
|
paraplegia |
loss of both lower limbs |
|
quadriplegia |
paralysis of arms and legs commonly resulting in bowel, bladder and sexual dysfunction |
|
paresthesia |
sensation of numbness, prickling, tingling, or heightened sensitivity |
|
poliomyelitis |
inflammation of the gray matter of the spinal cord caused by a virus; commonly resulting in muscle deformity and paralysis |
|
reye syndrome |
acute encephalopathy and fatty infiltration of the brain, liver and possibly the pancreas and heart, kidney, spleen, and lymph nodes |
|
syncope |
brief loss of conciousness and posture caused by a temporary decrease of blood flow to the brain; FAINTING |
|
elecroencephalography |
recording of electrical activity in the brain, whose cells emit distinct patterns of rhythmic electrical impulses |
|
electromyography |
recording of electrical signals, action potentials, that occur in muscle when it is at rest and during contraction to assess muscular disease or nerve damage |
|
lumbar puncture |
needle puncture of the spinal cavity to extract spinal fluid for diagnostic purposes; introduce anesthetic agents or remove fluid to allow for other fluids; also called spinal tap |
|
nerve conduction velocity |
test that measures the speed at which impulses travel through a nerve |
|
cryosurgery |
exposes abnormal tissue to extreme cold to destroy it |
|
stereotactic radiosurgery |
precisely focused stereostatic radiation beams are used to treat tumors and other abnormal growths in the brain, spinal column, and other body sites and delivers high doses of radiation to the tumor with minimal exposure to surrounding healthy tissue |
|
thalamotomy |
partial destruction of the thalamus, to treat intractable pain; involuntary movements including tremors in parkinsons disease; or emotional disturbances |
|
trephination |
technique that cuts a circular opening into the skull to reveal brain tissue and decrease intracranial pressure |
|
ventriculoperitoneal shunting |
relieves intracranial pressure due to hydrocephalus by diverting excess cerebrospinal fluid from the ventricles to the peritoneal or thoracic cavity |
|
cerebrospinal fluid analysis |
lab test to examine a sample of the fluid surrounding the brain and spinal cord; used to diagnose disorders of the central nervous system; including viral and bacterial infections |
|
angiography |
radiographic image of the inside of a blood vessel after injection of a contrast medium |
|
computed tomography angiography |
angiography in combination with a CT scan to produce high resolution 3D vascular images of the blood vessels |
|
discography |
CT scan of the lumbar region after injection of a contrast medium to detect problems with the spine and spinal nerve roots |
|
echoencephalography |
ultrasound technique used to study intracranial structures of the brain and diagnose conditions that cause a shift in the midline structures of the brain |
|
magnetic source imaging |
noninvasive neuroimaging technique to pinpoint the specific location where seizure activity originates and enable custom surgical treatment for tumor and epileptic tissue resection; MEG |
|
myelography |
radiographic examination to detect pathology of the spinal cord; including the location of a spinal cord injury, cysts and tumors following contrast medium injection |
|
positron emission tomography |
computed tomography that records the positrons emitted from a radiopharmaceutical and produces a cross section image of metabolic activity in body tissues to determine presence of disease |
|
psychostimulants |
reduce impulsive behavior by increasing the level of NTs |