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Write out the path through roots and rami for the following scenario:

The palm of your hand (anterior portion) touches a sharp object that causes your triceps (muscle on the posterior aspect of the arm) to contract, allowing you to pull your hand away from the sharp object.

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Final answer:

Explanation of nerve pathway for triceps contraction due to palm sensation.


Explanation:

Pathway of Nerve Impulses for Triceps Contraction:

1. The sharp object stimulates sensory receptors in the palm, sending a signal through the radial nerve (branch of the brachial plexus).

2. The nerve impulse travels from the palm to the spinal cord through the dorsal root (sensory root) and synapses with the motor neurons in the spinal cord.

3. The motor neurons transmit the impulse out through the ventral ramus towards the triceps muscle, causing it to contract.


Learn more about Nerve Pathway for Muscle Contraction here:

https://brainly.com/question/32536891


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