Shared Flashcard Set

Details

Nervous System
Chabner Language of Medicine Chapter 10
271
Medical
Undergraduate 1
11/18/2012

Additional Medical Flashcards

 


 

Cards

Term
-algia
Definition
pain
Term
-lepsy
Definition
seizure
Term
-paresis
Definition
weakness
Term
-phasia
Definition
speech
Term
-plegia
Definition
paralysis (loss or impairment of the ability to move parts of the body)
Term
-praxia
Definition
action
Term
-sthenia
Definition
strenght
Term
Absence seizure
Definition
Minor form of seizure, consisting of momentary clouding of consciousness and loss of contact with the environment.
Term
Acetylcholine
Definition
Neurotransmitter chemical released at the ends of nerve cells.
Term
Afferent nerve
Definition
Carries nervous impulses toward the brain and spinal cord; sensory nerve.
Term
Akinetic
Definition
Pertaining to loss or absence of voluntary movement
Term
Alzheimer disease
Definition
Brain disorder marked by progressive, gradual mental deterioration (dementia) along with personality changes and impairment of daily functioning.
Term
Amyotropic lateral sclerosis
Definition
Degenerative disorder of motor neurons in the spinal cord and brainstem and resulting in total body paralysis.
Term
Analgesia
Definition
Absence of sensitivity to pain
Term
Anencephaly
Definition
Congenital condition of partial or complete absence of brain matter.
Term
Anesthesia
Definition
Lack of feeling or sensation
Term
Aneurysm
Definition
Weakening of an arterial wall, which may lead to hemorrhage and cerebrovascular accident (stroke).
Term
Aphasia
Definition
Inability to speak; language function is impaired due to injury to the cerebral cortex.
Term
Apraxia
Definition
Inability to perform purposeful acts or manipulate objects.
Term
Arachnoid membrane
Definition
Middle layer of the meninges that surround the brain and spinal cord
Term
Astrocyte
Definition
Glial (neuroglial) cell that transports salts and water from capillaries.
Term
Astrocytoma
Definition
Brain tumor composed of astrocytes (glial cells). The most serious of these tumors is a glioblastoma multiforme (Grades III and IV malignant brain tumor).
Term
Ataxia
Definition
Without coordination
Term
Aura
Definition
Peculiar sensation appearing before more definite symptoms
Term
Autonomic nervous system
Definition
Nerves that control involuntary body functions of muscles, glands, and internal organs.
Term
Axon
Definition
Microscopic fiber that carries a nervous impulse along a nerve cell
Term
Bell palsy
Definition
Unilateral paralysis of the face caused by a disorder of the facial nerve.
Term
Blood-brain barrier
Definition
Blood vessels that let certain substances enter the brain tissue and keep other substances out.
Term
Bradykinesia
Definition
Slow movement
Term
Brainstem
Definition
Lower portion of the brain that connects the cerebrum with the spinal cord.
Term
Cauda equina
Definition
Collection of spinal nerves below the end of the spinal cord.
Term
Causalgia
Definition
Intensely unpleasant burning pain in a limb following damage to nerves.
Term
Cell body
Definition
Part of the nerve cell (neuron) that contains the nucleus
Term
Central nervous system
Definition
Brain and spinal cord
Term
Cephalgia
Definition
Head pain; headache
Term
Cerebellar
Definition
Pertaining to the cerebellum
Term
Cerebellopontine
Definition
Pertaining to the cerebellum and pons
Term
Cerebellum
Definition
Part of the brain that coordinates muscle movements and maintains balance.
Term
Cerebral angiography
Definition
X-ray record of blood vessels in the brain after intravenous injection of contrast material.
Term
Cerebral concussion
Definition
Temporary brain dysfunction (brief loss of consciousness) after injury; usually clearing within 24 hours
Term
Cerebral contusion
Definition
Bruising of brain tissue as a result of direct trauma to the head; neurologic disorder persists longer than 24 hours.
Term
Cerebral cortex
Definition
Outer region of the cerebrum
Term
Cerebral hemorrhage
Definition
Bursting of an artery in the brain
Term
Cerebral palsy
Definition
Partial paralysis and muscular coordination caused by loss of oxygen or blood flow to the cerebrum during pregnancy or in the perinatal period.
Term
Cerebrospinal fluid
Definition
Clear, watery fluid that circulates throughout the brain and spinal cord.
Term
Cerebrospinal fluid analysis
Definition
Samples of cerebrospinal fluid are examined for blood cells, protein, glucose, tumor cells, bacteria and other substances.
Term
Cerebrovascular accident (CVA)
Definition
Disruption of the normal blood supply to the brain; stroke.
Term
Cerebrum
Definition
Largest part of the brain; responsible for voluntary muscular activity, vision, speech, taste, hearing, thought and memory, among other functions.
Term
Coma
Definition
State of unconsciousness from which a patient cannot be aroused
Term
Comatose
Definition
Pertaining to a coma
Term
Computed tomography
Definition
Cross-sectional x-ray imaging of an organ (such as the brain or spinal cord), with or without contrast material.
Term
Cranial nerves
Definition
Twelve pairs of nerves that carry messages to and from the brain.
Term
Dementia
Definition
Mental decline and deterioration
Term
Demyelination
Definition
Destruction of myelin on axons of nerves (as in multiple sclerosis).
Term
Dendrite
Definition
Microscopic branching portion of a nerve cell; first part of the nerve cell to receive the nervous impulse
Term
Dopamine
Definition
Neurotransmitter in the central nervous system; deficient in patients with Parkinson disease.
Term
Doppler ultrasound studies
Definition
Sound waves are used to detect blood flow in arteries within the brain and leading to the brain.
Term
Dura mater
Definition
Thick, outermost layer of the meninges surrounding the brain and spinal cord.
Term
Dyskinesia
Definition
Impairment of the ability to perform voluntary movements.
Term
Dyslexia
Definition
Difficulty in reading, writing, and learning.
Term
Efferent nerve
Definition
Carries messages away from the brain the spinal cord; motor nerve.
Term
Electroencephalography
Definition
Process of recording the electricity within the brain
Term
Embolus
Definition
Blood clot that is carried by the bloodstream from one area of the body to another where it blocks a blood vessel.
Term
Encephalitis
Definition
Inflammation of the brain
Term
Encephalopathy
Definition
Disease of the brain.
Term
Ependymal cell
Definition
A glial cell that lines the membranes within the brain and spinal cord and helps form cerebrospinal fluid
Term
Epidural hematoma
Definition
Collection of blood located above the dura mater
Term
Epilepsy
Definition
Brain disorder marked by recurrent attacks (seizures) of abnormal nervous impulses.
Term
Gait
Definition
Manner of walking
Term
Ganglion
Definition
Collection of nerve cell bodies in the peripheral nervous system; plural is ganglia.
Term
Glial cell
Definition
Nervous system cell that is supportive and connective in function: Astrocyte, microglial cell, ependymal cell.
Term
Glioblastoma
Definition
Rapidly growing malignant tumor of the brain
Term
Glioblastoma
Definition
Highly malignant brain tumor composed of glial cells (astrocytes).
Term
Gyrus, gyri
Definition
Sheet of nerve cells that produces a rounded fold on the surface of the cerebrum.
Term
HIV encephalopathy
Definition
Disease of the brain (dementia) caused by infection with the human immunodeficiency virus (HIV), which causes AIDS (acquired immunodeficiency syndrome).
Term
Hemiparesis
Definition
Slight paralysis of the right or left half of the body.
Term
Hemiplegia
Definition
Paralysis of the right or left half of the body
Term
Herpes zoster
Definition
Viral infection affecting peripheral nerves
Term
Huntington disease
Definition
Hereditary disorder affecting the cerebrum and involving abrupt, involuntary, jerking movements and mental deterioration in later stages.
Term
Hydrocephalus
Definition
Abnormal accumulation of cerebrospinal fluid in the ventricles (canals) of the brain.
Term
Hypalgesia
Definition
Diminished sensitivity to pain
Term
Hyperesthesia
Definition
Excessive sensitivity or feeling, especially of the skin in response to touch or pain.
Term
Hyperkinesis
Definition
Excessive movement
Term
Hypothalamus
Definition
Portion of the brain beneath the thalamus; controls sleep, appetite, body temperature, and secretions from the pituitary gland
Term
Ictal event
Definition
Pertaining to a sudden, acute onset, as the convulsion of an epileptic seizure.
Term
Intrathecal
Definition
Pertaining to within the membranes (meninges) surrounding the brain and spinal cord.
Term
Leptomeningeal
Definition
Pertaining to the two thinner membranes (arachnoid membrane and pia mater) surrounding the brain and spinal cord.
Term
Lumbar puncture
Definition
Withdrawal of cerebrospinal fluid from the subarachnoid space between two lumbar vertebrae; spinal tap.
Term
Magnetic resonance imaging
Definition
Magnetic and radio waves create an image of an organ three planes of the body. The brain and spinal cord can be imaged to detect lesions.
Term
Medulla oblongata
Definition
Lower part of the brain, closest to the spinal cord; controls breathing heartbeat, and size of blood vessels
Term
Meningeal
Definition
Pertaining to the meninges
Term
Meninges
Definition
Three membranes surrounding and protecting the brain and spinal cord.
Term
Meningioma
Definition
Tumor (benign) of the meninges
Term
Meningitis
Definition
Inflammation of the meninges.
Term
Meningocele
Definition
Hernia of the meninges through a defect or space between vertebrae; a form of spina bifida cystica.
Term
Microglial cell
Definition
Phagocytic glial cell that removes waste products from the central nervous system
Term
Migraine
Definition
A severe headache that is often accompanied by nausea and vomiting.
Term
Migraine
Definition
A severe headache, often unilateral, and sometimes accompanied by nausea and vomiting.
Term
Motor nerve
Definition
Carries impulses from the brain and spinal cord to muscles
Term
Multiple sclerosis
Definition
Chronic neurologic disorder marked by destruction of the myelin sheath on neuronal axons in the CNS and replacement by plaques of sclerotic tissue.
Term
Myasthenia gravis
Definition
Autoimmune neuromuscular disorder characterized by weakness of voluntary muscles.
Term
Myelin sheath
Definition
Fatty, white covering over the axon of a nerve cell
Term
Myelogram
Definition
X-ray record (with contrast) of the spinal cord.
Term
Myelomeningocele
Definition
Congenital hernia (protrusion) of the spinal cord and meninges through a defect (gap) in the vertebral column. This defect is often associated with spina bifida.
Term
Myoneural
Definition
Pertaining to muscle and nerve
Term
Narcolepsy
Definition
Sudden seizures of sleep
Term
Nerve
Definition
Macroscopic cordlike collection of fibers that carry electrical impulses.
Term
Neuralgia
Definition
Nerve pain
Term
Neurasthenia
Definition
Lack of strength in nerves; a feeling of weakness and exhaustion
Term
Neuroglia
Definition
Supporting cells (stroma) of the nervous system; glial cells
Term
Neuron
Definition
Nerve cell.
Term
Neuropathy
Definition
Disease of nerves; primarily in the peripheral nervous system
Term
Neurotransmitter
Definition
Chemical messenger released at the end of a nerve cell
Term
Occlusion
Definition
Blockage or obstruction
Term
Oligodendroglial cell
Definition
Glial (neuroglial) cell that forms the myelin sheath covering the axon of a neuron.
Term
Palliative
Definition
Relieving symptoms, but not curative
Term
Palsy
Definition
Paralysis.
Term
Paraplegia
Definition
Paralysis of the lower part of the body and both legs
Term
Parasympathetic nerves
Definition
Involuntary, autonomic nerves that regulate normal body functions, such as heart rate, breathing, and the muscles of the gastrointestinal tract.
Term
Parenchyma
Definition
Essential, functioning cells of any organ. Neurons (nerve cells) are the parenchyma of the nervous system
Term
Paresis
Definition
Slight paralysis
Term
Paresthesia
Definition
Abnormal nervous sensation occurring without apparent cause. Examples are tingling, numbness or prickling sensations.
Term
Parkinson disease
Definition
Degeneration of nerve cells that produce the neurotransmitter, dopamine in the brain; leads to tremors, weakness of muscles, and slowness of movement.
Term
Peripheral nervous system
Definition
Nerves outside the brain and spinal cord; cranial, spinal, and autonomic nerves.
Term
Pia mater
Definition
Thin, delicate, innermost membrane of the meninges
Term
Plexus
Definition
Network of nerves outside of the central nervous system; brachial, cervical, lumbosacral plexuses are examples.
Term
Poliomyelitis
Definition
Inflammation of the gray matter of the spinal cord
Term
Polyneuritis
Definition
Inflammation of many nerves
Term
Pons
Definition
Part of the brainstem anterior to the cerebellum, between the medulla and the rest of the brain. The pons connects the upper and lower portions of the brain.
Term
Positron emission tomography
Definition
Computerized radiologic procedure using radioactive glucose or oxygen to image the metabolic activity of cells, such as brain cells.
Term
Quadriplegia
Definition
Paralysis of all four limbs; both arms and both legs.
Term
Radiculitis
Definition
Inflammation of a spinal nerve root
Term
Radiculopathy
Definition
Disease of a spinal nerve root
Term
Receptor
Definition
Organ that receives nervous stimulation and passes it on to nerves that carry the stimulation to the brain and spinal cord; skin, ears, eyes and taste buds.
Term
Sciatic nerve
Definition
Extends from the base of the spine down the thigh, lower leg, and foot. Sciatica is pain along the course of the nerve.
Term
Sensory nerve
Definition
Carries messages to the brain and spinal cord from a receptor; afferent nerve.
Term
Shingles
Definition
Viral (herpes zoster) illness that affects peripheral nerves; produces blisters and pain on the skin overlying the path of peripheral nerves.
Term
Spina bifida
Definition
Congenital defect in the lumbar spinal column caused by imperfect union of vertebral parts; spinal cord and meninges may herniate through the vertebral gap.
Term
Spinal nerves
Definition
Thirty-one pairs of nerves arising from the spinal cord. Each spinal nerve affects a particular area of the skin.
Term
Stereotactic radiosurgery
Definition
Use of a specialized instrument using three-dimensional coordinates to locate the site to be operated on.
Term
Stimulus
Definition
Agent of change (light, sound, touch) that evokes a response
Term
Stroma
Definition
Connective and supportive tissue of an organ
Term
Subdural hematoma
Definition
Collection of blood in the space below the dura mater surrounding the brain.
Term
Sulcus, sulci
Definition
Depression or groove in the surface of the cerebral cortex; fissure
Term
Sympathetic nerves
Definition
Autonomic nerves that activate responses in times of stress; heartbeat, respiration, and blood pressure are affected.
Term
Synapse
Definition
Space between nerve cells or between nerve cells and muscle and glandular cells
Term
Syncopal
Definition
Pertaining to syncope (fainting).
Term
Syncope
Definition
Fainting; temporary loss of consciousness
Term
Thalamic
Definition
Pertaining to the thalamus
Term
Thalamus
Definition
Main relay center of the brain; located in the central region or diencephalon of the brain.
Term
Thrombus
Definition
Blood clot.
Term
Tic
Definition
Involuntary movement of a small group of muscles, as of the face
Term
Tonic-clonic seizure
Definition
A major seizure affecting the brain in epilepsy
Term
Tourette syndrome
Definition
Neurologic disorder characterized by multiple facial and other body tics.
Term
Transient ischemic attack
Definition
Fleeting episode of ischemia (holding back blood) in the brain.
Term
Trigeminal neuralgia
Definition
Flashes of stab like pain along the course of a branch of the trigeminal nerve (5th cranial nerve). The trigeminal nerve has branches to the eye, upper jaw and lower jaw
Term
Vagal
Definition
Pertaining to the vagus nerve
Term
Vagus nerve
Definition
Tenth cranial nerve with branches to the chest and abdominal organs.
Term
Ventricles of the brain
Definition
Fluid (cerebrospinal fluid) filled canals in the brain
Term
acetylcholine
Definition
neurotransmitter chemical released at the ends of nerve cells
Term
afferent nerve
Definition
carries messages TOWARD the brain and spinal cord (sensory nerve)
Term
akinetic
Definition
Pertaining to without movement.
Term
alges/o; -algesia
Definition
excessive sensitivity to pain
Term
alzheimer disease (AD)
Definition
brain disorder marked by gradual and pregressive mental deterioration (dementia), personality changes, and impairment of daily functioning
Term
amyotrophic lateral sclerosis
Definition
degenerative disorder of motor neurons in the spinal cord and brainstem.
Term
analgesia
Definition
Condition of no sensation of pain (usually accompanied by sedation without loss of
consciousness).
Term
anencephaly
Definition
Condition of no brain (congenital anomaly)
Term
anesthesia
Definition
Condition of no nervous sensation.
Term
anesthetics
Definition
Agents that reduce or eliminate sensation.
Term
aphasia
Definition
Condition of inability to speak.
Term
apraxia
Definition
Inability to carry out familiar purposeful movements (in the absence of paralysis or
sensory or motor impairment).
Term
arachnoid membrane
Definition
middle layer of the three membranes (meninges)that surround the brain and spinal cord. greek arachne means spider
Term
astrocyte
Definition
type of glial (neuroglial) cell that transports water and salt away from capillaries
Term
ataxia
Definition
No muscular coordination (often caused by cerebellar dysfunction).
Term
autonomic nervous system
Definition
nerves that control involuntary body functions of muscles, glands, and internal organs
Term
axon
Definition
microscopic fiber that carries the nervous impulse along the nerve cell
Term
blood-brain barrier
Definition
blood vessels (capillaries) that selectively let certain substances enter the brain tissue and keep other substances out
Term
bradykinesia
Definition
Slowness of movement.
Term
brainstem
Definition
lower portion of the brain that connects the cerebrum with the spinal cord; includes the pons and medulla oblongata
Term
cauda equina
Definition
collection of spinal nerves below the end of the spinal cord
Term
caus/o
Definition
burning
Term
causalgia
Definition
Burning sensation of pain (in the skin); usually following injury to sensory fibers of a
peripheral nerve.
Term
cell body
Definition
part of a nerve cell that contains a nucleus
Term
central nervous system (CNS)
Definition
brain and the spinal cord
Term
cephalgia
Definition
Headache (head pain).
Term
cerebell/o
Definition
cerebellum
Term
cerebellar
Definition
Pertaining to the cerebellum.
Term
cerebellopontine
Definition
Pertaining to the cerebellum and the pons.
Term
cerebellum
Definition
posterior part of the brain that coordinates muscle movements and maintains balance
Term
cerebr/o
Definition
cerebrum
Term
cerebral cortex
Definition
The outer region (gray matter) of the cerebrum.
Term
cerebral cortex
Definition
outer region of the cerebrum, containing sheets of nerve cells; gray matter of the brain
Term
cerebrospinal fluid
Definition
Fluid that surrounds the brain and spinal cord and is located within the ventricles of
the brain.
Term
cerebrospinal fluid (CSF)
Definition
circulates throughout the brain and spinal cord
Term
cerebrum
Definition
largest part of the brain, responsible for voluntary muscle activity; vision, taste, speech, hearing, thought, and memory
Term
comat/o
Definition
deep sleep (coma)
Term
comatose
Definition
In a state of coma (profound unconsciousness from which one cannot be roused; may
be due to trauma, disease, or action of ingested toxic substance).
Term
cranial nerves
Definition
twelve pairs of nerves that carry messages to and from the brain with regard to the head and neck (except the vagus nerve)
Term
dendrite
Definition
microscopic branching fiber of a nerve cell that is the first part to receive the nervous impulse
Term
dur/o
Definition
dura mater
Term
dura mater
Definition
thick, outermost layer of the meninges surrounding and protecting the brain and spinal cord. latin for "hard mother"
Term
dyskinesia
Definition
Involuntary, spasmodic movements
Term
dyslexia
Definition
Disorder of reading, writing, or learning (despite the ability to see and recognize
letters).
Term
efferent nerve
Definition
carries messages AWAY from the brain and spinal cord; motor nerve
Term
encephal/o
Definition
brain
Term
encephalitis
Definition
Inflammation of the brain.
Term
encephalopathy
Definition
Any disease of the brain.
Term
epidural hematoma
Definition
Collection of blood above the dura mater.
Term
epilepsy
Definition
Chronic disorder marked by attacks of brain dysfunction due to excessive firing of nervous impulses.
Term
epilepsy
Definition
chronic brain disorder characterized by recurrent seizure activity
Term
epyndymal cell
Definition
glial cell that lines membranes within the brain and spinal cord and helps form cerebrospinal fluid
Term
esthesi/o; -esthesia
Definition
feeling; nervous sensation
Term
ganglion (plural ganglia)
Definition
collection of nerve cell bodies in the peripheral nervous system
Term
gli/o
Definition
glial cell
Term
glial cell (neurologlial cell)
Definition
supportive and connective nerve cell that does not carry nervous impulses. examples are: astrocytes, microglial cells, ependymal cells, and oligodendrocytes
Term
glioblastoma
Definition
Tumor (malignant) of glial (neuroglial or supportive) cells in the brain.
Term
gyrus (plural gyri)
Definition
sheet of nerve cells that produces a rounded ridge on the surface of the cerebral cortex; convolution
Term
hemiparesis
Definition
Slight paralysis in either the right or left half of the body.
Term
hemiplegia
Definition
Paralysis in half of the body
Term
huntington disease
Definition
hereditary disorder marked by degenerative changes in the cerebrum leading to abrupt involuntary movements and mental deterioration
Term
hydrocephalus
Definition
abnormal accumulation of fluid (csf) in the brain
Term
hypalgesia
Definition
Diminished sensation to pain.
Term
hyperesthesia
Definition
Excessive sensitivity to touch, pain, or other sensory stimuli.
Term
hyperkinesis
Definition
Condition of excessive movement (muscular activity).
Term
hypothalamus
Definition
portion of the brain beneath the thalamus; controls sleep, appetite, body temperature, and secretions from the pituritary gland
Term
intrathecal injection
Definition
Placement of substances (medications) into the subarachnoid space.
Term
kines/o; kinesi/o; -kinesia; -kinesis; -kinetic
Definition
movement
Term
lept/o
Definition
thin, slender
Term
leptomeningeal
Definition
Pertaining to the pia mater and arachnoid membranes of the meninges.
Term
lex/o
Definition
word; phrase
Term
medulla oblongata
Definition
part of the brain just above the spinal cord; controls breathing, heartbeat and the size of blood vessels; nerve fibers cross over here
Term
mening/o
Definition
membranes
Term
meningeal
Definition
Pertaining to the meninges.
Term
meningi/o
Definition
meninges
Term
meningioma
Definition
Tumor of the meninges.
Term
multiple sclerosis (MS)
Definition
destruction of the myelin sheath on neurons in the CNS and its replacement by plaques on sclerotic (hard) tissue
Term
my/o
Definition
muscle
Term
myel/o
Definition
spinal cord (means bone marrow in other contexts)
Term
myelogram
Definition
Record (x-ray) of the spinal cord.
Term
myelomeningocele
Definition
Hernia of the spinal cord and meninges; associated with spina bifida.
Term
myoneural
Definition
Pertaining to muscle and nerve.
Term
narcolepsy
Definition
Sudden, uncontrollable episodes of sleep (seizures of sleep)
Term
neur/o
Definition
nerve
Term
neuralgia
Definition
Nerve pain.
Term
neurasthenia
Definition
Condition of lack of nerve strength; nervous exhaustion and weakness
Term
neuropathy
Definition
Disease of nerves.
Term
paraplegia
Definition
Paralysis in the lower portion of the body
Term
paresthesia
Definition
An abnormal sensation such as numbness, tingling, or pricking
Term
poliomyelitis
Definition
Inflammation of the gray matter of the spinal cord
Term
polyneuritis
Definition
Inflammation of many (spinal) nerves, causing paralysis, pain, and wasting of
muscles. Guillain-Barré syndrome (sequela of certain viral infections with
paresthesias and muscular weakness) is an example
Term
pont/o
Definition
pons
Term
quadriplegia
Definition
Paralysis of all four limbs of the body
Term
radicul/o
Definition
nerve root (of spinal nerves)
Term
radiculitis
Definition
Inflammation of nerve roots.
Term
radiculopathy
Definition
Disease of the spinal nerve roots.
Term
spina bifida
Definition
congenital defects in the lumbar spinal column caused by imperfect union of vertebral parts (neural tube defect)
Term
subdural hematoma
Definition
Collection of blood under the dura mater (outermost layer of the meninges).
Term
syncop/o
Definition
to cut off, cut short
Term
syncopal
Definition
Pertaining to syncope (fainting).
Term
tax/o
Definition
order, coordination
Term
thalam/o
Definition
thalamus
Term
thalamic
Definition
Pertaining to the thalamus.
Term
thec/o
Definition
sheath (refers to meninges)
Term
vag/o
Definition
vagus nerve (10th cranial nerve)
Term
vagal
Definition
Pertaining to the vagus (10th cranial) nerve.
Term
what are pia mater and arachnoid membrane combined refered to by physicians?
Definition
pia-arachnoid
Term
what are the three meninges and 2 spaces inbeteween called?
Definition
duramater, subdural space, arachnoid membrane, subarachnoid space, and pia mater
Term
what do sympathetic nerves do? (these are part of the autonomic nervesystem)
Definition
they increase heart rate and blood pressure (forcefulness, dilate (relax) aiways so more o2 can enter, neurons stimulate andrenal glands to expell adrenalin (epinephrine) which slows digestion
Term
what does the central nervous system (cns) consist of?
Definition
it contains brain and spinal cord
Term
what does the parasympathetic nerves do? (part of the autonomic nerve system)
Definition
they act as balance to sympethatic nerves, slow doen heart rate, lower blood pressure, stimulate intestinal contractions to clear rectum.
Term
what does the peripheral nervous system consist of?
Definition
cranial- and spinal nerves, plexuses (network of nerves) and peripheral nerves throughout the body
Supporting users have an ad free experience!