0
The electrical signal travels down the axon to the axon terminals where it tells the vesicles to release the neurotransmitters (which are chemical signals consisting of hormones like dopamine and adrenaline) into the synaptic cleft which travel to the receptors of the receiving cell which releases the second messengers which are chemical signals that propagate an electrical impulse in the receiving cell.
Oh biomed. How we love you.
A nerve impulse is initiated by an electrical signal that travels along the neuron's membrane. When the electrical signal reaches the end of the neuron, it triggers the release of chemical neurotransmitters into the synapse, which then bind to receptors on the next neuron to propagate the signal. This combination of electrical and chemical signaling allows for rapid and precise communication in the nervous system.
Neurons send information using both electrical and chemical signals through neurotransmission or synaptic transmission. As far as the cells are concerned it is purely chemical (neuro-transmitters across a synapse). The electrical part is a pure artifact of ion displacement during cell energization,
EXCEPT that the ion displacement signal is used by myelin-coated cells to increase the propagation speed of a single fiber.
In transmission of nerve impulse, you have depolarization of the nerve body. In this you have electrical type of conduction. In the synapse you have chemicals released. That is always a chemical type of conduction.
The chemical changes cause electrical changes in neurons. It is rather complex, but each nerve cell (neuron) has a chemical transmitter which is released and acts on another neuron. This is CHEMICAL transmission. After the chemical transmitter interacts with certain receptors, it causes a change in the membrane permeability to certain ions. This is the electrical component of transmission.
Add your answer:
Earn +20 pts
How do nerve impulses cross the gap between nerve cells?
When an electrical signal, or impulse, reaches the end of an axon it triggers chemicals called transmitters. The electrical signals then become chemical ones as the transmitters cross the synapse, the gap between an axon and a dendrite. When they reach the dendrite of another neuron they spark a new electrical signal that then travels the length of that nerve cell. And it does this over and over until it reaches its destination.
The events of a nerve impulse?
A nerve impulse is generated when a neuron receives a signal, causing a change in the neuron's membrane potential. This change triggers the opening of voltage-gated ion channels, allowing ions to flow in and out of the neuron. This flow of ions creates an electrical signal that travels down the length of the neuron as the impulse.
An electrical impulse moving down an axon is called what?
An electrical impulse moving down an axon is known as an action potential.
What part of the neuron conducts the nerve impulse?
The axon is the part of the neuron that conducts the nerve impulse. It is a long, thin fiber that transmits electrical signals away from the cell body to other neurons, muscles, or glands.
When you want to move your arm your brain sends a message where does the message go?
The message, in the form of electrical signals, travels along nerve fibers called motor neurons from the brain to the muscles that control arm movement. These signals release neurotransmitters at the neuromuscular junction, stimulating muscle fibers to contract and produce the desired movement.
What is the difference between synaptic and nerve impulse transmission?
Synaptic transmission is chemical, while nerve impulse or axonal transmission is electrical.
The neurotransmitters of a neutron enable a nerve impulse to do what?
Neurotransmitters in a neuron allow a nerve impulse to be transmitted from one neuron to another by crossing the synapse and binding to receptors on the receiving neuron. This triggers an electrical or chemical signal to continue the nerve impulse along the neural pathway.
What causes a nerve impulse move along the nerve fiber?
Electrical diferences.
What cause a nerve impulse move along the nerve fiber?
Electrical diferences.
What happens to a muscle when an electrical impulse from a nerve stops?
When the electrical impulse from a nerve stops, the muscle relaxes and returns to its resting state. This is because the nerve impulse initiates the release of calcium ions in the muscle cells, leading to muscle contraction. When the nerve impulse stops, the calcium ions are reabsorbed, causing the muscle to relax.
What are chemical substances that cause a nerve impulse?
oxytocin
Is the velocity of a nerve impulse greater than electrical conduction's?
yes
A nerve impulse is carried across a synapse by?
neurotransmitters, which are chemical messengers that transmit signals between neurons. When a nerve impulse reaches the end of a neuron, it triggers the release of neurotransmitters into the synapse. These neurotransmitters then bind to receptors on the neighboring neuron, initiating a new nerve impulse to continue the signal transmission.
Where is the neuron in the body?
Neuron is the nerve cells that carry messages to the brain .The various parts of neuron are dendrite ,axon ,nucleus , cell body and nerve ending . All the information from the environment is detected by the specialised tips of nerve cells .These receptors are usually located in our sense organs such as,nose , tongue and so on. The information acquired at the end of the dendritic tip of a nerve cell sets off a chemical reaction that creates an electrical impulse . This impulse travels from the dendrite to the cell body , and then along the axon ,to its end .At the end of the axon , the electrical impulse sets of the release of some chemicals . These chemicals cross the gap or synapse, and start a similar electrical impulse in a dendrite of the next neuron . This is how nerve impulse travel in a body
How is an impulse communicated from nerve cell to nerve cell?
Via chemical messangers that cross the synapse.
What is impulse in the nervous system?
electrical wave conducted along the nerve generated by the voltage difference across the cell membrane of the nerve cells.
What does cytoplasm do in the nerve cell?
it allows the electrical impulse to travel more easily :)
