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What must be done to record the resting membrane potential of an axon?
To record the resting membrane potential of an axon, one would need to insert a microelectrode into the axon to measure the voltage difference across the membrane. The axon must be in a quiescent state with no incoming or outgoing signals to accurately measure the resting potential. This measurement can then be viewed and recorded using an oscilloscope or similar device.
What enters the axon during action potential?
Sodium ions enter the axon during action potential. This influx of sodium ions depolarizes the axon membrane, leading to the propagation of the action potential along the axon.
What ion causes presynaptic vesicle to fuse to axon membrane?
The calcium ion is responsible for causing the presynaptic vesicle to fuse to the axon membrane in a process called exocytosis. When an action potential reaches the presynaptic terminal, calcium ions enter the terminal and trigger the fusion of the vesicle with the axon membrane, releasing neurotransmitters into the synaptic cleft.
What is the sequence of events along an axon?
The sequence of events along an axon involves the generation of an action potential at the axon hillock, propagation of the action potential down the axon via depolarization and repolarization of the membrane, and neurotransmitter release at the axon terminals to communicate with other neurons or target cells.
What is the brief period during which a local area of an axon's membrane resists stimulation called?
The brief period during which a local area of an axon's membrane resists stimulation is called the refractory period. This period is important for preventing the axon from immediately firing another action potential.
What is a axon hillock?
An axon hillock is a special cell body that connects an axon to a neuron. It is the last place where propagated membrane potentials are transmitted to the axon.
What is axolemma?
An axolemma is the surface membrane of an axon.
What is an axolemma?
An axolemma is the surface membrane of an axon.
Electrical change in the neuronal membrane that is transmitted along axon is?
Action potential is the term for an electrical change in the neuronal membrane transmitted along an axon. The axon is part of a nerve cell that conducts impulses.
When at rest the axon membrane has an electrical charge of?
When at rest, the axon membrane has a negative electrical charge inside compared to outside. This is known as the resting membrane potential and is typically around -70 millivolts.
What must be done to record the resting membrane potential of an axon?
To record the resting membrane potential of an axon, one would need to insert a microelectrode into the axon to measure the voltage difference across the membrane. The axon must be in a quiescent state with no incoming or outgoing signals to accurately measure the resting potential. This measurement can then be viewed and recorded using an oscilloscope or similar device.
What are the gaps called where the axon membrane is exposed?
Nodes of Ranvier
What enters the axon during action potential?
Sodium ions enter the axon during action potential. This influx of sodium ions depolarizes the axon membrane, leading to the propagation of the action potential along the axon.
What ion causes presynaptic vesicle to fuse to axon membrane?
The calcium ion is responsible for causing the presynaptic vesicle to fuse to the axon membrane in a process called exocytosis. When an action potential reaches the presynaptic terminal, calcium ions enter the terminal and trigger the fusion of the vesicle with the axon membrane, releasing neurotransmitters into the synaptic cleft.
The junction between a motor neurons axon and the muscle cell membrane is called a neuromuscular junction or a?
The junction between a motor neruon's axon and the muscle cell membrane is called a neuromuscular junction or a myoneuraljunction?
What is the sequence of events along an axon?
The sequence of events along an axon involves the generation of an action potential at the axon hillock, propagation of the action potential down the axon via depolarization and repolarization of the membrane, and neurotransmitter release at the axon terminals to communicate with other neurons or target cells.
What is the brief period during which a local area of an axon's membrane resists stimulation called?
The brief period during which a local area of an axon's membrane resists stimulation is called the refractory period. This period is important for preventing the axon from immediately firing another action potential.
