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The release of 'neurotransmitter substances' from an axon's perifery which traverse the synaptic cleft - the space between axon and adjoining dendrite - to both affect and effect the adjoining dendritic "perifery" which then re-initiates signal propagation to the next bunch of exonic nerve "endings".
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On which direction does an impulse go across a synapse?
An impulse travels in one direction across a synapse, from the presynaptic neuron to the postsynaptic neuron. This ensures that the signal transmission in the nervous system is unidirectional.
What is a synapse in a simple reflex action?
A synapse in a simple reflex action is a junction between two neurons where signals are transmitted. In a reflex action, when a stimulus triggers a sensory neuron, it sends a signal across a synapse to a motor neuron, which then causes a rapid response from a muscle or gland.
What is the junction between the axon and the dendrites?
The junction between the axon of one neuron and the dendrites of another neuron is called a synapse. This is where communication occurs between neurons through the release and reception of neurotransmitters. The synapse is a crucial point for signal transmission in the nervous system.
What is the opening across which one neuron communicates with another neuron known as?
The opening across which one neuron communicates with another neuron is called a synapse. At the synapse, chemical signals called neurotransmitters are released from the presynaptic neuron, which then bind to receptors on the postsynaptic neuron to transmit the signal.
What location does a neuron transfer an impulse to another cell?
It depends on what the next structure is. If it is another neurone, then it is a synapse. If it is skeletal muscle, then the it is a neuromuscular junction. If it is any other type of muscle, then it is a myoneural junction.
Neural transmission across a mammalian synaptic gap is accomplished by?
impulses causing the release of a chemical signal and its diffusion across the synapse.
On which direction does an impulse go across a synapse?
An impulse travels in one direction across a synapse, from the presynaptic neuron to the postsynaptic neuron. This ensures that the signal transmission in the nervous system is unidirectional.
What is junction between two neurons?
The junction between two neurons is called a synapse. At the synapse, the electrical signal in the first neuron (presynaptic neuron) is converted into a chemical signal in the form of neurotransmitters, which then travel across the synapse and are received by the second neuron (postsynaptic neuron) to continue the signal transmission.
State why there is a brief delay in the transmission of an impulse across the synapse?
The impulse must go from one neuron to the next. To do this, it must change from an electrical to a chemical signal, and back to an electrical signal when it reaches the next neuron. Electrical signals are impossibly fast, but neurotransmitters cannot cross a synapse that fast. So, the impulse is at its slowest point when it crosses the synapse.
What are neurontransmitters?
a chemical that transmits a nervous systems signal across a synapse.
What is the part of neuron that facilitates synoptic transmission of signal to another neuron?
synapse
What is the term for the cell that receives a signal at a synapse?
The cell receiving the signal at the synapse is called the postsynaptic neuron.
What is a synapse in a simple reflex action?
A synapse in a simple reflex action is a junction between two neurons where signals are transmitted. In a reflex action, when a stimulus triggers a sensory neuron, it sends a signal across a synapse to a motor neuron, which then causes a rapid response from a muscle or gland.
How does a signal cross from the axon of the neuron to the receiving cell?
When the electrical signal reaches the end of an axon, neurotransmitters are released. They travel across the synapse. Once they reach the receiving cell, they create a new electrical signal.
Where at a synapse which direction does transmission usually occur?
At a synapse, transmission typically occurs from the presynaptic neuron to the postsynaptic neuron. The presynaptic neuron releases neurotransmitters into the synaptic cleft, which then bind to receptors on the postsynaptic neuron's membrane, facilitating the transmission of signals. This unidirectional flow is essential for proper neuronal communication and signal processing in the nervous system.
What is the junction between the axon and the dendrites?
The junction between the axon of one neuron and the dendrites of another neuron is called a synapse. This is where communication occurs between neurons through the release and reception of neurotransmitters. The synapse is a crucial point for signal transmission in the nervous system.
What is the small space between one neuron and the next is called?
A synapse, chemical signals called neurotransmitters cross these gaps, carrying on the signal.
