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What Cellular acetylcholine receptor is found in effector organs of the parasympathetic system?

The M2 muscarinic acetylcholine receptor is the primary receptor found in effector organs of the parasympathetic system. Activation of this receptor leads to inhibition of adenylate cyclase and decreased intracellular levels of cyclic AMP, resulting in various physiological responses in target tissues.


What is a cholinomimetic agent?

A drug or compound that acts like acetylcholine (ACh). Acetylcholine is a neurotransmitter. In the peripheral nervous system (PNS), acetylcholine activates muscles. In the central nervous system (CNS), acetylcholine tends to cause decreased muscle contractions. These two responses are opposite. ACh Receptor agonists (booster of the effect) are used to treat myasthenia gravis and Alzheimer's disease. ACh receptor antagonists block muscle contractions causing paralysis. The bite of the Black Widow spider does this.


What is the function of the acetylcholine sacs?

a small organic molecule liberated at nerve endings as a neurotransmitter. It is particularly important in the stimulation of muscle tissue. The transmission of an impulse to the end of the nerve causes it to release neurotransmitter molecules onto the surface of the next cell, stimulating it. After such release, the acetylcholine is quickly broken into acetate and choline, which pass back to the first cell to be recycled into acetylcholine again. The poison curareacts by blocking the transmission of acetylcholine. Some nerve gases operate by preventing the breakdown of acetylcholine causing continual stimulation of the receptor cells, which leads to intense spasms of the muscles, including the heart. Acetylcholine is often abbreviated as Ach.


What receptor is responsible for the secretion of salivary amylase?

The muscarinic receptors on the salivary gland cells are responsible for the secretion of salivary amylase. Stimulation of these receptors by the neurotransmitter acetylcholine triggers the release of amylase into the saliva.


Why can some neurotransmitters be both excitatory and inhibitory?

Excitatory neurotransmitter usually is acetylcholine. To get inhibitory responses in a nerve cell, the arrangement of receptors is different. The study of nervous system in detail will provide you exact answer to your question.

Related Questions

What are anticholinergics?

Anticholinergics are a class of medications that inhibit parasympathetic nerve impulses by selectively blocking the binding of the neurotransmitter acetylcholine to its receptor in nerve cells.


What Cellular acetylcholine receptor is found in effector organs of the parasympathetic system?

The M2 muscarinic acetylcholine receptor is the primary receptor found in effector organs of the parasympathetic system. Activation of this receptor leads to inhibition of adenylate cyclase and decreased intracellular levels of cyclic AMP, resulting in various physiological responses in target tissues.


What will happen if Acetylcholine receptors are destroyed?

If the acetylcholine receptor was destroyed that the effector cells cannot respond or detect the neurotransmitter, resulting in muscle paralysis.


Which neurotransmitter receptor is present on the sarcolemma?

Acetylcholine receptor is present on the sarcolemma of the muscle cells. This receptor is responsible for transmitting the signal to initiate muscle contraction when acetylcholine binds to it at the neuromuscular junction.


What type of excitatory neurotransmitter is secreted by motor neurons innervating skeletal muscle?

Acetylcholine is the excitatory neurotransmitter released by neurons innervating skeletal muscles. Acetylcholine release stimulates muscle contraction by acting at the nicotinic-acetylcholine receptor on the surface of the muscle cell.


How does atropine work?

Anticholinergic agent/ parasympatholytic that inhibits the action of acetylcholine at the postganglionic parasympathetic receptor sites. Increases the heart rate in life threatening bradyarrhythmias.


What are Agonist and antagonist of muscarinic receptors?

Agonists of muscarinic receptors are substances that bind to the receptor and activate it, mimicking the action of the neurotransmitter acetylcholine. Examples include pilocarpine and muscarine. Antagonists, on the other hand, bind to the receptor without activating it, thus blocking the action of acetylcholine. Examples include atropine and scopolamine.


Which neurotransmitters speed up or slow down the heart rate?

The chemical neurotransmitter, Acetylcholine attaches to what is known as a muscarinic receptor. This brings the body back to "rest and digest", and relaxes it from the "fight or flight" response.


What is a cholinomimetic agent?

A drug or compound that acts like acetylcholine (ACh). Acetylcholine is a neurotransmitter. In the peripheral nervous system (PNS), acetylcholine activates muscles. In the central nervous system (CNS), acetylcholine tends to cause decreased muscle contractions. These two responses are opposite. ACh Receptor agonists (booster of the effect) are used to treat myasthenia gravis and Alzheimer's disease. ACh receptor antagonists block muscle contractions causing paralysis. The bite of the Black Widow spider does this.


What is the function of the acetylcholine sacs?

a small organic molecule liberated at nerve endings as a neurotransmitter. It is particularly important in the stimulation of muscle tissue. The transmission of an impulse to the end of the nerve causes it to release neurotransmitter molecules onto the surface of the next cell, stimulating it. After such release, the acetylcholine is quickly broken into acetate and choline, which pass back to the first cell to be recycled into acetylcholine again. The poison curareacts by blocking the transmission of acetylcholine. Some nerve gases operate by preventing the breakdown of acetylcholine causing continual stimulation of the receptor cells, which leads to intense spasms of the muscles, including the heart. Acetylcholine is often abbreviated as Ach.


What is the neurotransmitter that initiates muscle contraction?

Voluntary muscle contraction is controlled by the central nervous system. The brain sends signals, in the form of action potentials, through the nervous system to the motor neuron that innervates several muscle fibers.Acetylcholine (ACh) is commonly secreted at neuromuscular junctions, the gaps between motor neurons and muscle cells, where it stimulates muscles to contract (by opening gated positive ion channels).


What receptor is responsible for the secretion of salivary amylase?

The muscarinic receptors on the salivary gland cells are responsible for the secretion of salivary amylase. Stimulation of these receptors by the neurotransmitter acetylcholine triggers the release of amylase into the saliva.