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87 Cards in this Set

  • Front
  • Back

Brain

Major portion of the central nervous system

Cerebrum

Largest portion of the brain, into left and right hemispheres. The cerebrum controls the skeletal muscles, interpret general senses, and contain centers for sight and hearing. Intellect, memory, and emotional reactions also take place in the cerebrum.
Ventricles
Spaces within the brain that contain a fluid called cerebrospinal fluid. The cerebrospinal fluid flows through the subarachnoid space around the brain and spinal cord.
Cerebellum
Located under the posterior portion of the cerebrum. Its function is to assist in the coordination of skeletal muscles and to maintain balance.
Brain stem
stemlike portion of the brain connects with the spinal cord. 10 of the 12 cranial nerves originate in the brainstem.
Pons
Literally means bridge. It connects the cerebrum with the cerebellum and brain stem.
Medulla oblongata
Located between the pons and the spinal cord. It contains centers that control respiration, heart rate, and the muscles in the blood vessel walls, which assist in determining blood pressure.
Midbrain
Most superior portion of the brainstem
Cerebrospinal fluid (CSF)
Clear, colorless fluid contained in the ventricles that flows through the subarachnoid space around the brain and spinal cord. It cushions the brain and spinal cord from shock, transports nutrients, and clear metabolic waste.
Spinal cord
Passes through the vertebral canal extending from the medulla oblongata to the level of the second lumbar vertebrae. The spinal cord conducts nerve impulses to and from the brain initiate action without input from the brain.
Meninges
Three layers of membranes that cover the brain and spinal cord
Dura mater
Tough outer layer of the meninges
Arachnoid
Delicate middle layer of the meninges. There is loosely attached to the pia mater by weblike fibers, which allow for the subarachnoid space.
Pia mater
thin inner layer of the meninges
Nerve
Cord like structure that carries impulses from one part of the body to another. There are 12 pairs of cranial nerves and 31 pairs of spinal nerves.
Ganglion
Group of nerve cell bodies located outside the central nervous system
Glia
Cells that form support and nourish nervous tissue. Some cells assist in the secretion of cerebrospinal fluid and others assist with phagocytosis. They do not conduct impulses. Three types of glia are astroglia, olgiodendroglia and microglia.
Neuron
Conducts nerve impulses to carry out the function of the nervous system. Destroyed neurons cannot be replaced.
cerebell/o
Cerebellum
cerebr/o
Cerebrum, brain
dur/o
hard, dura mater
enchephal/o
Brain
gangli/o, ganglion/o
Ganglion
gli/o
Glia, gluey substance
meningi/o, mening/o
Meninges
myel/o
Spinal cord
neur/o
Nerve
radic/o, radicul/o, rhiz/o
Nerve root ( proximal end of a peripheral nerve, closest to the spinal cord)

esthesi/o

sensation, sensitivity, feeling

ment/o, phsych/o

mind

mon/o

one, single

phas/o

speech

poli/o

gray matter

quadr/i

four

-iatrist

specialist, physician

-iatry

treatment, specialty

-ictal

seizure, atack

-paresis

slight paralysis

Cerebellitis
Inflammation of the cerebellum
Cerebral thrombosis
Pertaining to the cerebrum, abnormal condition of a clot. Onset of symptoms may appear after an obstruction occurs.
duritis
Inflammation of the dura mater
Encephalitis
Inflammation of the brain
Encephalomalacia
Softening of the brain
Encephalomyeloradiculitis
Inflammation of the brain, spinal cord and nerve roots
ganglitis
Inflammation of a ganglion
Glioblastoma
Tumor composed of developing glial tissue ( the most malignant and most common primary tumor of the brain)
Glioma
Tumor composed of the glial tissue (glioma is the term now used to describe all primary neoplasms of the brain and spinal cord)
Meningitis
Inflammation of the meninges
Meningioma
Tumor of the meninges (benign and slow growing)
Meningocele
Protrusion of the meninges ( through a defect in the skull or vertebral column)
meningomyelocele
Protrusion of the meninges and spinal cord (through the vertebral column)
Mononeuropothy
Disease affecting a single nerve
Neuralgia
Pain in a nerve
Neurasthenia
Nerve weakness
Neuritis
Inflammation of a nerve
neuroarthropathy
Disease of nerves and joints
Neuroma
Tumor made up of nerve cells
Neuropathy
Disease of the nerves (peripheral)
Poliomyelitis
Inflammation of the gray matter of the spinal cord. (this infectious disease, commonly referred to as polio, is caused by one of three polio viruses.)
Polyneuropathy
Disease of many nerves ( most often occurs as a side effect of diabetes mellitus, but may also occur as a result of drug therapy, critical illness, or carcinoma; exhibiting symptoms of witness,distal sensory loss, and burning)
radiculitis
Inflammation of the nerve roots
radiculopathy
Disease of the nerve roots
rhizomeninogomyelitis
Inflammation of the nerve root, meninges, and spinal cord
Subdural hematoma
Pertaining to below the dura mater, tumor of blood
Alzheimer disease
Disease characterized by early senility, confusion, loss of recognition of persons are familiar surroundings, restlessness and impaired memory.
Amyotrophic lateral sclerosis
Progressive muscle atrophy caused by hardening of nerve tissue on the lateral columns of the spinal cord (also called Lou Gehrig disease)
Bell palsy
Paralysis of muscles on one side of the face, usually a temporary condition. Symptoms include a sagging mouth on the actor affected side and nonclosure of the eyelid.
Cerebral aneurysm
Aneurysm in the cerebrum
Cerebral embolism
An embolus lodges in a cerebral artery, causing sudden blockage of blood supply to the brain tissue. A common cause of cerebral embolism, type of ischemic stroke, is atrial fibrillation.
Cerebral palsy
Condition characterized by lack of muscle control in partial paralysis, cause my brain defect or lesion present at birth or shortly after
Dementia
Cognitive impairment characterized by a loss of intellectual brain function. Patients have difficulty in various ways, including difficulty in performing complex tasks, reasoning, learning, and retaining new information, orientation, word finding and behavior. Dementia has several causes is not considered part of aging.
Epilepsy
Disorder in which the main symptom is recurring seizures
Hydrocephalus
Increased amount of the cerebrospinal fluid in the ventricles of the brain, which can cause enlargement of the cranium in infants
Intracerebral hemorrhage
Leading into the brain as a result of a ruptured blood vessel within the brain. Symptoms vary depending on the location of the hemorrhage; acute symptoms include dyspnea dysphasia, aphasia, diminished level of consciousness, and hemiparesis. It is frequently associated with high blood pressure.
Multiple sclerosis
Degenerative disease characterized by sclerotic patches along the brain and spinal cord
Parkinson disease
Chronic degenerative disease of the central nervous system. Symptoms include resting trimmers of the hands and feet, rigidity, expressionless face and shuffling gait. Usually occurs after the age of 50 years.
Sciatica
Inflammation of the sciatic nerve, causing pain that travels from the side through the leg to the foot and toes; can be caused by injury, infection, arthritis, herniated disc or from prolonged pressure on the nerve from sitting for long periods.
Shingles
Viral disease that affects the peripheral nerves and causes blisters on the skin that follow the course of affected nerves ( also called herpes zoster)
Stroke
Occurs when there is an interruption of blood supply to the region of the brain, depriving nerve cells in the affected area oxygen and nutrients. The cells cannot perform and may be damaged or die within minutes. The parts of the body controlled by the involve cells will experience dysfunction.
Subarachnoid hemorrhage
Bleeding caused by a ruptured blood vessel just outside the brain fills the space between the brain and skull with blood. The patient may experience an intense, sudden headache accompanied by nausea, vomiting and neck pain
Transient ischemic attack
Sudden deficient supply of blood to the brain lasting a short time. The symptoms may be similar to those of stroke, but with TIA the symptoms are temporarily and the usual outcome is complete recovery
Ganglionectomy
Excision of a ganglion
neurectomy
Excision of a nerve
neurolysis
Separating a nerve
neurorrhaphy
suture of a nerve
neurotomy
incision into a nerve
radicotomy, rhizotomy
Incision into a nerve root