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DID YOU KNOW:

It has been awhile, but we know how important it is for everyone to know the key terms of brain injury. Here is the next addition to the glossary term series that SDBIF has been posting. In this post, we will be explaining the different parts of a neuron and their functions. We hope that this is helpful for everyone!

DENDRITES:
“branches” off of the cell body that take in the signals from other neurons to be passed along to the next neurons

CELL BODY (SOMA):
the body of the cell where the signals from the dendrites are joined and passed on; also serves to maintain the function of the neuron

NUCLEUS:
the “brain” of the cell that maintains the cell’s function; it does not have anything to do with the actual transmission of the signal

AXON:
each neuron only has ONE axon (which can be up to several feet long!) that is the “wire” that transmits the signal to the next neuron

MYELIN SHEATH:
an insulating layer around the axon that protects it from damage and send the signals down the axon more efficiently and rapidly.

SYNAPSES (SYNAPTIC TERMINALS):
the final terminal of the neuron that connects to the next neuron’s dendrite allowing the signal to be transmitted

If you want to see the other glossary posts, do a search on our Facebook page for #TBIglossary and the other posts will pop up with more terminology to learn. But keep coming back to the SDBIF page to learn more about brain injury and brain injury recovery!!!

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