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At the synapses, just below the brain, there is a tiny gap disconnecting them. A nerve impulse must first be sent, meaning a small electric shock sent through the synapses and body to wherever it's going. When the impulse arrives back, the shock is sent back up the synapses to the brain confirming it went to the right part of the body, causing a tic, knee-jerk reaction, something like that.
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What does the nerve cell protective sheath do?
The nerve cell protective sheath, called myelin, insulates and protects the nerve cells. It helps in the speedy transmission of electrical signals along the nerve fibers. Damage to the myelin sheath can result in disruption of nerve signal transmission and lead to neurological problems.
What nerve splits into the common fibular and tibial nerves?
The sciatic nerve splits into the common fibular (peroneal) and tibial nerves in the thigh region. This occurs just above the knee, with the common fibular nerve wrapping around the fibular head and the tibial nerve passing beneath the gastrocnemius muscle.
Which nerve approches the knee and divides into two branches the fibular nerve and the tibial nerve?
The sciatic nerve approaches the knee and divides into two branches: the fibular nerve (also known as the common peroneal nerve) and the tibial nerve. This division typically occurs near the popliteal fossa, which is the area behind the knee. The tibial nerve continues down the posterior leg, while the fibular nerve travels laterally and wraps around the neck of the fibula.
Vagal escape occurs when heart is stimulated by what?
Vagal escape occurs when the parasympathetic nervous system, specifically the vagus nerve, fails to regulate the heart rate and the heart muscle is instead stimulated by other mechanisms. This can happen in situations where there is a prolonged increase in sympathetic nerve activity or when there is a dysfunction in the parasympathetic nervous system.
At what level do the majority of nerve fibers cross from the right to the left?
The majority of nerve fibers cross from the right to the left at the level of the medulla oblongata in the brainstem. This crossing, known as decussation, occurs in structures like the pyramids in the medulla.
How does a nerve impluse get transmitted along an axon full 5 pages length answer?
Write your own paper.
Explain the way in which a nerve impluse is conducted from a sensory site to produce an effect?
the best way to answer this question is to attend your next scince leson.
What is somato somatic synapes?
This is a type of referred pain which occurs when sensory information comes to the spinal cord, but is interpreted by the brain and spinal cord as coming from another location. For example, when someone has sciatica, the pain is felt down the leg, when the origination point may be a pinched nerve in the lower spinal column.
What does the nerve cell protective sheath do?
The nerve cell protective sheath, called myelin, insulates and protects the nerve cells. It helps in the speedy transmission of electrical signals along the nerve fibers. Damage to the myelin sheath can result in disruption of nerve signal transmission and lead to neurological problems.
What is the damage nerve results in wristdrop?
- Wrist drop occurs when the radial nerve becomes compressed or damaged.
What is A painful condition that occurs around the nerve ending is?
shingles
What is a description of carpal tunnel syndrome?
Median nerve entrapment, at the wrist, occurs by swelling and compression of the tendon sheath containing this nerve.
Where does nerve conduction deafness occur?
Nerve conduction deafness is one of the two types of deafness that can happen. It occurs when there is a break in communication between the nerve cells and the inner ear.
What condition occurs when the median nerve in the wrist is compressed?
Carpal tunnel syndrome.
Which disorder occurs when the median nerve is damaged as it passes through the wrist?
carpal tunnel
What part of the nervous system is affected by the bell's palsy?
The Facial Nerve or Cranial Nerve VII is the nerve involved with Bell's Palsy.
An exercise related nerve injury that most commonly occurs in the foot is called a an?
There are different types of nerve injuries to the foot, which may be caused by exercise. One type of nerve injury is called tarsal tunnel syndrome.
