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Brain function and structure (neurons (Soma (cell body of a neuron,…
Brain function and structure
A part of the cental nervous system
4 lobes - occipital, parietal, temporal and frontal
tem hemispheres which are connected by the corpus callosum
neurons
Axon
action potentials travel down the axon to other neurons
terminal buttons
release of neurotransmitters
Long tail-like part of the neuron that serves as the cell's transmitter device
Dendrites
branch like fibers that extend outwards from a neuron and recieve information from other neurons
thousands of branches
Soma
cell body of a neuron
information is processed here
genetic material stored here
metabolic centre
Dendrite - soma-axon-terminal buttons
damage to the myeli health
multiple sclerosis
the degeneration of the myein shealth
Myelination
most mammalian axons are myelinatedd
nerve fibers transmit electricity and like wire benefit from myelination and its insulation
The synapse
tiny gap between the terminal buttons of one neuron and the dendrite of the next
chemical flow into the synapse from the terminal buttons