0
Smooth Muscle Cells
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What are norepinephrine releasing fibers called?
Andrenergic fibers release Norepinephrine and Cholinergic fibers release Acetylcholine.
The sympathetic nervous system releases the neurotransmitter?
Norepinephrine (otherwise known as Noradrenaline). Acetylcholine IS NOT the right answer.
What neurotranmitters are released by smpathetic and parasympthetic neurons?
The 2 divisions of the autonomic nervous system (sympathetic and parasympathetic) both have 2 areas where neurotransmitter is released. ?They have ganglionic synapses in the periphery wherein neurotransmitter is released and have synapses on the target organs wherein neurotransmitter is released. ?So this means there is preganglionic and postganglionic release of neurotransmitter.Sympathetic preganglionic neurotransmitter is Acetylcholine. ?Acetylcholine affects muscarinic receptors here.Sympathetic postganglionic neurotransmitter is Norepinephrine. ?Norepinephrine affects alpha or beta receptors here. ?Parasympathetic preganglionic neurotransmitter is Acetylcholine. ? Acetylcholine affects muscarinic receptors here.Parasympathetic postganglionic neurotransmitter is Acetylcholine. ?In this case Acetylcholine affects muscarinic receptors.?Sympathetic neurons are considered to be adrenergic & sympathetic neurons are considered to be cholinergic.
How does acetylcholine affect the bladder?
It creates acidulous material in your kidney for detoxification.
What neurotransmitter is most affected by nicotine and how does tobacco affect the neurotransmitter?
acetylcholine
Which muscle contraction does acetylcholine and norepinephrine affect?
Acetylcholine and norepinephrine both affect smooth muscle contraction. They stimulate contraction in some muscles and inhibits contraction in others.
What are norepinephrine releasing fibers called?
Andrenergic fibers release Norepinephrine and Cholinergic fibers release Acetylcholine.
Why are Acetylcholine and Norepinephrine common neurotransmitters?
acetylcholine and norepinephrine are both excitatory neurotransmitters Acetylcholine (learning and memory) Nor-epinephrine gets you fired up (flight or flight) and also gets you focused. Drdenisep@aol.com
Does parasympathetic nerves secrete norepinephrine?
No. They secrete acetylcholine only.
What does neurotansmitter mean?
Examples of neurtransmitter are, acetylcholine, norepinephrine, dopamine and serotin,
Neurotransmitter that causes an individual to feel more alert?
Acetylcholine
Which of the following neurotransmitter is a catecholamine?
Dopamine, norepinephrine, and epinephrine are catecholamines.
Two major neurotransmitters of the autonomic nervous system?
You have acetylcholine liberated at ganglion in both sympathetic and parasympathetic nervous system. You have noradrenaline secreted at post ganglionic sympathetic nerve terminals. You have acetylcholine secreted at post ganglionic parasympathetic nerve terminals.
What Two major neurotransmitters are involved in regulating physiological responses to exercise?
Acetylcholine and norepinephrine.
The sympathetic nervous system releases the neurotransmitter?
Norepinephrine (otherwise known as Noradrenaline). Acetylcholine IS NOT the right answer.
What secretes norepinephrine adrenergic fibers?
sympathetic division. Parasympathetic division fibers called cholinergic fibers release acetylcholine.
Why does acetylcholine causes vaso-dilation?
In some muscle tissue acetylcholine causes vaso-dilation, but not all. Norepinephrine is the opposite competor/effector of acetylcholine. Acetylcholine is present in all preganglionic fibers, both parasympathetic and sympathetic. Acetylcholine is present in postganglionic parasympatic fibers, where norepinephrine is present in the postganglionic sympathetic fibers. In some tissues acetylcholine causes constriction. Can also reduce heart rate vi the vagus nerve. Acetylcholine is the only neurotransmitter used in the somatic nervous system! Acetylcholine can effect vasodilation by several mechanisms, including activation of endothelial nitric oxide (NO) synthase and prostaglandin (PG) production. In human skin, exogenous Acetylcholine increases both skin blood flow and bioavailable NO levels, but the relative increase is much greater in skin blood flow than NO. So this may lead us to speculate that acetylcholine may dilate cutaneous blood vessels through PGs, as well as NO. In some muscle tissue acetylcholine causes vaso-dilation, but not all. Norepinephrine is the opposite competor/effector of acetylcholine. Acetylcholine is present in all preganglionic fibers, both parasympathetic and sympathetic. Acetylcholine is present in postganglionic parasympatic fibers, where norepinephrine is present in the postganglionic sympathetic fibers. In some tissues acetylcholine causes constriction. Can also reduce heart rate vi the vagus nerve. Acetylcholine is the only neurotransmitter used in the somatic nervous system! Acetylcholine can effect vasodilation by several mechanisms, including activation of endothelial nitric oxide (NO) synthase and prostaglandin (PG) production. In human skin, exogenous Acetylcholine increases both skin blood flow and bioavailable NO levels, but the relative increase is much greater in skin blood flow than NO. So this may lead us to speculate that acetylcholine may dilate cutaneous blood vessels through PGs, as well as NO.
