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What is the input of the neuron structure?
A dendrite (or often a small protrusion from it called a dendritic spine) is the structure of a neuron that is usually the input to the neuron. A synapse is what makes the input to a neuron, via chemical messengers called neurotransmitters. And inputs to a neuron cansometimes be made to the soma (body) of a neuron, or even to the axon. But the dendrites are the "normal" input structures.
Why is the transmission of nerve impulses often referred to as an electrochemical event?
Myogenic conduction
Does a relay neuron have a axon?
Yes, a relay neuron has an axon. Relay neurons, also known as interneurons, typically have a short axon that facilitates communication between other neurons, often within the central nervous system. Their primary function is to process and transmit information between sensory and motor neurons, contributing to reflexes and complex neural circuits.
What part of the neuron (a specialized nerve cell) receives signals from other cells and is also the main metabolic region of the neuron?
The SOMA (the body of the neuron) is the main metabolic region of the neuron, and can SOMETIMES receive signals from other neurons, but the DENDRITE is usually the neuronal structure which receives signals, often at tiny protuberances from the dendrite called dendritic spines, although some connections (synapses) can sometimes be on the axon (the output structure).Read more: Which_part_of_the_neuron_receives_signals_from_other_cells_and_is_also_the_main_metabolic_region_of_the_neuron
Which neurone links the coordinator with the effector?
The neuron that links the coordinator (often the central nervous system) with the effector (such as a muscle or gland) is called a motor neuron. Motor neurons transmit signals from the spinal cord or brain to the muscles, triggering movement or action. They play a crucial role in executing responses to stimuli processed by the coordinator.
True or false The axon of a neuron is often surrounded by a fatty covering called the myelin sheath?
True. The axon of a neuron is often surrounded by a fatty covering known as the myelin sheath, which insulates the axon and enhances the speed of electrical signal transmission along the nerve cell. This myelination is crucial for efficient communication between neurons and is produced by glial cells.
What is the input of the neuron structure?
A dendrite (or often a small protrusion from it called a dendritic spine) is the structure of a neuron that is usually the input to the neuron. A synapse is what makes the input to a neuron, via chemical messengers called neurotransmitters. And inputs to a neuron cansometimes be made to the soma (body) of a neuron, or even to the axon. But the dendrites are the "normal" input structures.
What are electrochemical probes?
Electrochemical probes are devices used for studying electrochemical reactions that occur at interfaces, such as electrode or solution interfaces. They are often used in research to measure parameters like current, potential, and impedance to provide insights into reaction mechanisms and properties of materials. Electrochemical probes can have various designs, such as microelectrodes, scanning electrochemical microscopes, or potentiometric sensors.
Why is the transmission of nerve impulses often referred to as an electrochemical event?
Myogenic conduction
Why are motor neuron ofter referred to as the action cell?
it is often termed the action neuron because it tells the muscles what to do or how to react.
Which part of the neuron receives signal from other cells and is also the main metabolic region of the neuron?
The SOMA (the body of the neuron) is the main metabolic region of the neuron, and can SOMETIMES receive signals from other neurons, but the DENDRITE is usually the neuronal structure which receives signals, often at tiny protuberances from the dendrite called dendritic spines, although some connections (synapses) can sometimes be on the axon (the output structure).Read more: Which_part_of_the_neuron_receives_signals_from_other_cells_and_is_also_the_main_metabolic_region_of_the_neuron
What is the transmission zone of a neuron?
I have never heard of the term 'transmission zone' (which may be someone's personal name for what I'm about to explain) but neurons send their chemical signals across what is known as a synapse, the region where the axon of one neuron meets up with another neuron (most often a dendrite). The space between these two neurons (the non-neuron space in the synapse) is called the synaptic cleft. Through this space, neurotransmitters pass through and act on the receiving neuron once they reach it.
Does a relay neuron have a axon?
Yes, a relay neuron has an axon. Relay neurons, also known as interneurons, typically have a short axon that facilitates communication between other neurons, often within the central nervous system. Their primary function is to process and transmit information between sensory and motor neurons, contributing to reflexes and complex neural circuits.
When does a neuron reach the threshold of response?
A neuron reaches the threshold of response when the depolarization of its membrane potential exceeds a critical level, typically around -55 mV, due to the influx of sodium ions. This depolarization is often initiated by excitatory inputs from other neurons or stimuli. Once the threshold is crossed, an action potential is generated, allowing the neuron to transmit an electrical signal along its axon. This all-or-nothing response is crucial for effective neuronal communication.
What part of the neuron (a specialized nerve cell) receives signals from other cells and is also the main metabolic region of the neuron?
The SOMA (the body of the neuron) is the main metabolic region of the neuron, and can SOMETIMES receive signals from other neurons, but the DENDRITE is usually the neuronal structure which receives signals, often at tiny protuberances from the dendrite called dendritic spines, although some connections (synapses) can sometimes be on the axon (the output structure).Read more: Which_part_of_the_neuron_receives_signals_from_other_cells_and_is_also_the_main_metabolic_region_of_the_neuron
What part of a neuron is often encased by a fatty myelin sheath?
It is located on the axon
What is the location of a motor neuron?
In vertebrates, the term motor neuron (or motoneuron) classically applies to neurons located in the central nervous system (or CNS) that project their axons outside the CNS and directly or indirectly control muscles. The motor neuron is often associated with efferent neuron, primary neuron, or alpha motor neurons.Source:Wikipedia (search Motor neuron, to read more).
