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A neuromodulator modifies or makes more or less efficient the synaptic action of a neurotransmitter. Whereas a neurotransmitters work as chemicals released from terminal vesicles into synaptic clefts to receptors depolarizing the next neuron and initiates an electrical charge.
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What is the name of the small space between two neurons where neurotransmitter molecules are released?
The small space between two neurons where neurotransmitter molecules are released is called the synapse.
Can you describe the difference between a neurotransmitter and a hormone?
Neurotransmitters are chemical messengers that transmit signals between neurons in the nervous system, while hormones are chemical messengers that regulate various bodily functions and are released into the bloodstream by glands.
What is the best definition for a neurotransmitter?
A neurotransmitter is a chemical messenger that carries signals between neurons in the brain and nervous system. It plays a crucial role in regulating various physiological processes, including mood, cognition, and behavior.
How does the interaction between benzos and dopamine affect the brain's neurotransmitter balance?
The interaction between benzodiazepines (benzos) and dopamine can disrupt the brain's neurotransmitter balance. Benzos can enhance the effects of dopamine in certain areas of the brain, leading to an imbalance in neurotransmitter activity. This can result in changes in mood, behavior, and cognition.
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.
Compound that influences a postsynaptic cell's response to a neurotransmitter?
neuromodulator
The neurotransmitters acetylcholine performs what two functions?
Acetylcholine functions as both a neurotransmitter in the nervous system, where it is involved in transmitting signals between nerve cells, and as a neuromodulator that influences the activity of other neurotransmitter systems. It plays a critical role in muscle contraction and movement, as well as in memory, learning, and attention.
A neurotransmitter whose function depends on a second messenger is known as?
A neurotransmitter whose function depends on a second messenger is known as a neuromodulator. Neuromodulators can influence the behavior of neurons by affecting processes like signal transduction or synaptic transmission.
What is the difference between presynaptic and postsynaptic neurons?
Presynaptic neurons release the neurotransmitter in response to an action potential. Postsynaptic neurons receive the neurotransmitter (and can however become presynaptic to the next nerve cell, if the neurotransmitter has stimulated the cell enough).
What is a good example of a neuromodulator?
Acetylcholine
What does octopamine do to the body?
In invertebrates, it speeds up the heart rate, and acts as a neurohormone, a neuromodulator and a neurotransmitter. It is one of the many G-protein coupled receptors. Additionally, it inhibits and activates adenylyl cyclase and phospholipase C, and couples chloride channels
What neurotransmitter is released at the motor end plates by axon terminals?
Acetylcholine is the primary neurotransmitter released at the motor end plates by axon terminals. This neurotransmitter is responsible for transmitting signals from motor neurons to muscle fibers, leading to muscle contraction.
Function of neurotransmitter?
To transmit a signal between neurons.
What is beta-phenethylamine?
Beta-phenethylamine is a naturally occurring compound in the human body that acts as a neurotransmitter and a neuromodulator. It is involved in regulating mood, energy levels, and focus. Some research suggests it may have potential therapeutic benefits for conditions like depression and ADHD.
What is the name of the small space between two neurons where neurotransmitter molecules are released?
The small space between two neurons where neurotransmitter molecules are released is called the synapse.
Drugs act at the synapse by?
affecting neurotransmitter release, blocking neurotransmitter reuptake, or binding to neurotransmitter receptors. This alters the signaling between neurons and can have various effects on mood, behavior, and other physiological processes.
What is the chemical produced between nerve cells?
a neurotransmitter called acetylcholine (ACh) is produced between nerve cells. This neurotransmitter carries the signal (in chemical form) at the synaptic junction.
