Nervous System Flashcards
nerve pain
neuralgia
paralysis of the legs
paraplegia
paralysis of the arms and legs
quadriplegia
paralysis of half the body
hemiplegia
paralysis of one limb
monoplegia
functional unit of nervous system
neuron
receive communications from other cells
dendrites
genetic material of the cell
nucleus
stores neurotransmitters
axon
wraps around axons; insulates neurons
myelin sheath
structure that allows electrical or chemical signal to another neuron
synapse
Brain + Spinal cord is the ______
CNS
nerves found throughout the body
PNS
Peripheral Nervous System further broken down into
Peripheral nerves, Somatic Nervous Sytem and Autonomic nervous system
controls body’s voluntary skeletal muscles
Somatic nervous system
controls body’s automatic functions
autonomic nervous system
controls fight or flight response to stress
sympathetic branch
returns body to resting state after stress
parasympathetic branch
temporary paralysis, loss of facial feeling, facial dropping
bells palsy
Caused when brain cells die because of an inadequate blood flow
stroke
covers brain and spinal cord
meninges
part of brain responsible for sight
occipital lobe
part of brain responsible for hearing
temporal
part of brain responsible for problem solving and speech production
frontal lobe
part of brain responsible for touch perception
parietal