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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?
At the neuromuscular junction, the muscle contraction initiation event is?
binding of acetylcholine to membrane receptors on the sarcolemma
A folded region of the sarcolemma at the neuromuscular junction?
The folded region of the sarcolemma at the neuromuscular junction is called the motor end plate. It is responsible for receiving signals from the motor neuron and initiating muscle contraction. The motor end plate is rich in acetylcholine receptors, which play a key role in neurotransmission at the neuromuscular junction.
What two structures approach each other at a neuromuscular junction?
At a neuromuscular junction, the motor neuron terminal and the muscle fiber membrane (sarcolemma) approach each other. The motor neuron releases the neurotransmitter acetylcholine, which binds to receptors on the muscle fiber membrane, initiating muscle contraction.
What is the chemical used at the junction with a skeletal muscle?
The chemical used at the junction with a skeletal muscle is acetylcholine (ACh). It is released from the motor neuron at the neuromuscular junction and binds to receptors on the muscle fiber's membrane, triggering muscle contraction. This process is essential for voluntary movement and is part of the overall neuromuscular signaling mechanism.
Into what does the neuron release its neurotransmitter at the neuromuscular junction?
The neuron releases its neurotransmitter into the synaptic cleft at the neuromuscular junction, which is the gap between the neuron terminal and the muscle cell. This neurotransmitter then binds to receptors on the muscle cell membrane, triggering muscle contraction.
The chemical that transmits the signal across the neuromuscular junction is called?
Acetylcholine is the chemical that transmits signals across the neuromuscular junction. It binds to receptors on the muscle cell membrane, leading to muscle contraction.
What is the site where the muscle fiber and nerve fiber meet called?
Well of course they meet at the neuromuscular junction
The junction between a motor neurons axon and the muscle cell membrane is called?
neuromuscular junction or myoneural junction
What does ach do at a neuromuscular junction?
ACh (acetylcholine) binds to receptors at the NMJ (neuromuscular junction) to induce contraction of muscle.
What ia neuromuscular junction?
The neuromuscular junction is the synapse or connection point between a motor neuron and a skeletal muscle fiber. It is where the motor neuron releases the neurotransmitter acetylcholine, which binds to receptors on the muscle fiber's membrane, leading to muscle contraction. This junction plays a crucial role in voluntary movement and is essential for the communication between the nervous system and muscles. Dysfunction at this site can lead to various neuromuscular disorders.
Synaptic vesicles at the neuromuscular junction contain?
Synaptic vesicles at the neuromuscular junction contain the neurotransmitter acetylcholine (ACh). When an action potential reaches the nerve terminal, these vesicles fuse with the presynaptic membrane and release ACh into the synaptic cleft. This release initiates muscle contraction by binding to receptors on the postsynaptic membrane of the muscle fiber, leading to depolarization and subsequent muscle activation.
