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What adrenergic neurotransmitter receptor plays a role in heart activity?
beta neuron
What does the adrenergic neuron produce?
Norephinephrine
Which neurons are classified as an adrenergic fiber?
The neuron classified as an adrenergic fiber is the sympathetic postganglionic neuron.
Does the brain naturally produce serotonin?
Yes, it is used throughout the nervous system as a neurotransmitter to pass on signals from neuron to neuron.
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.
Are parasympathetic postganglionic fibers generally come from adrenergic fibers?
No, parasympathetic postganglionic fibers do not come from adrenergic fibers. Parasympathetic postganglionic fibers release acetylcholine as their neurotransmitter, whereas adrenergic fibers release norepinephrine.
A chemical released from one neuron to another is?
A neurotransmitter.
What neurotransmitter do first order neuron secrete?
ach
What effect do neurotransmitter from one neuron have on the next neuron?
The neurotransmitters from one neuron have direct effect on the next neuron. They are channels that are used to transmit messages in the nerves.
What is presynaptic inhibition and how does it regulate neurotransmitter release in the nervous system?
Presynaptic inhibition is a process in which the release of neurotransmitters from a neuron is reduced by another neuron. This regulation occurs when the inhibitory neuron releases a neurotransmitter that decreases the excitability of the presynaptic neuron, leading to a decrease in neurotransmitter release. This mechanism helps to fine-tune communication between neurons and maintain balance in the nervous system.
What carries a nerve impulse from one neuron to annother?
Neurotransmitter.
What is the name of the tiny gap the neurotransmitter has to diffuse across to reach the membrane of the postsynaptic neuron?
The tiny gap that the neurotransmitter has to diffuse across to reach the membrane of the postsynaptic neuron is called the synaptic cleft. It separates the axon terminal of the presynaptic neuron from the dendrite of the postsynaptic neuron.
