The Nervous System

Front 1

Primary parts of the nervous system

Back 1

Central nervous system
Peripheral nervous system

Front 2

Nerve

Back 2

Bundles of neurons that connect the brain and spinal cord with other parts of the body.

Front 3

A bundle or group of nerve fibers located within the brain or spinal cord.

Back 3

A tract

Front 4

Ascending tracts

Back 4

Carry nerve impulses toward the brain

Front 5

Descending tracts

Back 5

carry nerve impulses away from the brain

Front 6

A nerve center made up of cluster of nerve cell bodies outside the central nervous system.

Back 6

A ganglion

Front 7

Network of intersecting nerves

Back 7

Plexus

Front 8

Supply of nerves to a body part

Back 8

innervation

Front 9

The sites in the sensory organs that receive external stimulation.

Back 9

Receptors

Front 10

anything that activates or excites a nerve and causes an impulse.

Back 10

stimulus

Front 11

wave of excitation transmitted through nerve fibers and neurons

Back 11

Impulse

Front 12

An automatic involuntary response to some change, either inside or outside the body

Back 12

Reflex

Front 13

Basic cell of the nervous system

Back 13

neuron

Front 14

Neuron electrical activity

Back 14

Brain waves

Front 15

Afferent neurons

Back 15

Sensory neurons

Front 16

Connecting neurons

Back 16

associative neurons -> carry impulses from one neuron to another.

Front 17

Efferent neurons

Back 17

Motor neurons -> carry impulses away from the brain and spinal cord and toward muscle and glands

Front 18

root like processes that receive impulses and conduct them to the cell body

Back 18

dendrites

Front 19

Process that extends away from the cell body and conducts impulses away from the nerve cell.

Back 19

Axon

Front 20

the fatty tissue that protects the axons

Back 20

Myelin

Front 21

the space between a neuron and a receptor organ or between two neurons

Back 21

Synapses

Front 22

A chemical substance that makes it possible for messages to be transmitted.

Back 22

A neurotransmitter.

Front 23

Neurotransmitter that influences muscle action

Back 23

Acetylcholine

Front 24

Neurotransmitter that influences mood and thought

Back 24

Dopamine

Front 25

Neurotransmitter that is naturally occuring and released to help relieve pain

Back 25

Endorphins

Front 26

Neurotransmitter that responds to hypotension and physical stress.

Back 26

Norepinephrine

Front 27

Neurotransmitter that influences sleep, hunger, pleasure and recognition.

Back 27

Seratonin

Front 28

Star-shaped supportive and connective cells of the nervous system

Back 28

Glial cells/ neuroglia

Front 29

white protective covering that is madeup of glial cells and covers some parts of the spinal cord, the white matte of the brain

Back 29

Myelin Sheath

Front 30

central nervous system

Back 30

Brain and spinal cord

Front 31

Connective tissue that encloses the brain and spinal cord

Back 31

Meninges

Front 32

Thick tough outermost membrane of the meninges

Back 32

Dura matter

Front 33

Space that is located between the dura membrane and the arachnoid membrane

Back 33

Subdural space

Front 34

Membrane which is the second layer of the meninges

Back 34

Arachnoid Membrane

Front 35

Subarachnoid space

Back 35

Contains the cerebrospinal fluid.

Front 36

Third layer of the meninges

Back 36

Pia matter

Front 37

clear colorless fluid that flows throughout the brain and around the spinal cord

Back 37

Cerebrospinal fluid

Front 38

cerebrum

Back 38

Highest level of thought

Front 39

Thalamus

Back 39

relays sensory stimuli

Front 40

Hypothalamus

Back 40

controls vital bodily functions

Front 41

cerebellum

Back 41

coordinates muscular activity and balance

Front 42

Brainstem

Back 42

Most protected part of the brain. controls heart rate and breathing

Front 43

Largest uppermost part of the brain

Back 43

cerebrum

Front 44

outerlayer of cerebrum and is arranged in deep folds

Back 44

Cerebral cortex

Front 45

divisions of cerebrum

Back 45

Left and right hemisphere.

Front 46

Number of lobes in the cerebrum

Back 46

Four. named after the bone of the cranium that covers it

Front 47

Names of the lobes

Back 47

Frontal, occipital, parietal and temporal lobes

Front 48

Functions of the Frontal lobe

Back 48

Motor functions
memory
Behaviour

Front 49

Functions of the occipital lobe

Back 49

Eyesight

Front 50

Functions of the Parietal lobe

Back 50

Receives and interprets nerve impulses from sensory receptors.

Front 51

Functions of the Temporal lobe

Back 51

Controls senses of hearing
smell and the ability to create, store and access new information.

Front 52

Stalk-like portion of the brain that connects the cerebral hemispheres with the spinal cord.

Back 52

Brain stem

Front 53

Three parts of brain stem

Back 53

mid brain
pons
medulla

Front 54

headache

Back 54

cephalalgia

Front 55

headache syndrome characterised by sudden, throbbing sharp pain.

Back 55

Migraine headaches

Front 56

Concentrated pain on one side . severe pain than migraines

Back 56

Cluster headaches

Front 57

Congenital herniation of brain substance through a gap in the skull

Back 57

encephalocele

Front 58

congenital herniation of meninges through a defect in the skull or spinal column

Back 58

meningocele

Front 59

Condition in which there is an abnormally increased amount of CSF within the ventricles of the brain

Back 59

Hydrocephalus

Front 60

Inflammation of the meninges of the brain or spinal cord

Back 60

Meningitis

Front 61

disease of the brain with symptoms of memory loss,impaired cognition and personality changes

Back 61

Alzheimer's disease

Front 62

Inflammation of the brain

Back 62

encephalitis

Front 63

Syndrome that commonly occurs after a viral infection, linked to giving asprin to kids who suffer from viral infection

Back 63

Reye's syndrome

Front 64

Disease because of inadequate levels of dopamine

Back 64

Parkinson's disease

Front 65

fatal infection of CNS caused by tetanus bacteria

Back 65

Lock Jaw

Front 66

Inability to recall past experiences

Back 66

Amnesia

Front 67

Violent shaking up or jarring of the brain

Back 67

concussion

Front 68

Bruising of brain tissue

Back 68

cerebral contusion

Front 69

collection of blood trapped in the brain tissues

Back 69

cranial hematoma

Front 70

fainting

Back 70

Syncope

Front 71

Mind and senses are dulled to environmental stimuli

Back 71

Stupor

Front 72

cyclic state of alternating sleep and wake cycles

Back 72

Persistent vegetative state

Front 73

Reversible condition that comes on suddenly with high fever, intoxocation and shock

Back 73

Delirium

Front 74

Slowly progressing decline in memory , thinking and judgement

Back 74

Dementia

Front 75

Abnormal growth within the brain which can be benign or malignant

Back 75

Brain tumor

Front 76

Amount of pressure inside the skull

Back 76

Intercranial Pressure

Front 77

cerebrovasular accident

Back 77

stroke

Front 78

Stroke that occurs when blood flow to the brain is blocked

Back 78

Ischemic stroke