Neurons🦠 Flashcards

(7 cards)

1
Q

What is a neuron

A

Specialised nerve cell that transmits electrical impulses from one part of the body to another

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2
Q

Axon

A

A long, thread like part of a neurone where impulses are conducted away from the cell to another part of the body

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3
Q

Dendron/dendrite

A

They receive impulses and carry them towards cell body

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4
Q

Myelin sheath

A

Fatty white substances surrounding axon that protects and insulates to ensure efficient impulse transmission

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5
Q

Synapse

A

The part of the neurone that electrical impulses pass through(information)

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6
Q

3 elements of a synapse

A
  • pre-synaptic membrane
  • post-synaptic membrane
  • synaptic gap(cleft)
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7
Q

Function of the synapse 1-4

A

1- electrical impulse travels along an axon
2- triggers nerve ending to neurone to release neurotransmitters
3-chemicals diffuse along synaptic gap and transmit signals
4-they bind with receptor molecules on membrane of next neurone

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