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What fibers innervate sweat glands?

Sympathetic fibers innervate sweat glands.


What fibers are the sweat glands innervated by?

Sweat glands are innervated by adrenergic sympathetic nerve fibers from the autonomic nervous system. These fibers release norepinephrine, which stimulates the sweat glands to produce sweat.


Which division of ANS innervates the sweat glands and the hair follicles?

The sympathetic division innervates the sweat glands and hair follicles.


What controls the sweat glands?

Your sweat glands are controlled by autonomic nervous system. They get the nervous supply through the sympathetic nerves. But functionally they are parasympathetic nerves, because the acetylcholine is secreted over there at the terminal end.


What organ system controls the activity of eccrine sweat glands?

The nervous system. Sweating is regulated by the sympathetic division of the autonomic nervous system, over which we have little control. Its major role is to prevent overheating of the body.


What system of the body is the secretion of sweat controlled by?

The secretion of sweat is controlled by the nervous system. Specialized nerve fibers called sympathetic nerves stimulate the sweat glands to produce sweat in response to factors such as temperature, physical activity, and emotions.


Which division of the ANS innervates the sweat glands and the hair follicles?

The sympathetic division innervates the sweat glands and hair follicles.


Are sweat glands parasympathetic or sympathetic?

They are sympathetic but an exception - ACh is released as a post-synaptic neurotransmitter rather than Adrenaline/Noradrenaline.Illicitinga parasympathetic response will not stimulate these neurons and therefore sweating is not a parasympathetic side effect.However, as post-synaptic sweat glands contain Muscarinic receptors and not adrenoceptors the administration of a non-selective Muscarinic agonist would result in both a parasympathetic response such as constriction of the pupil or decreased heart rate as well as sweating due to the activation of these sympathetic post-synaptic MAChR in the sweat glands.Atropine would reduce all parasympathetic responses and stop sweating.


Do the post-ganglionic sympathetic fibers release acetylcholine?

No, post-ganglionic sympathetic fibers mostly release norepinephrine. But they do release some ACh to the sweat glands, which causes concurrent vasodilation of surrounding blood vessels (paired with release of bradykinin from sweat glands).


What parts of the body receive only sympathetic fibers?

adrenal medulla, sweat glands, arrector pili muscles of the skin, kidneys, most blood vessels


Are there sweat glands on your palms?

No, they have sweat glands


Why do our palms get sweaty when we are nervous?

Our sweat glands are supplied by a set of nerves knows as the sympathetic nervous system. This is the system that is in charge of dealing with alarming situations, known as the fight or flight system. When this system kicks in, the body heats up and sweat glands secrete sweat to cool the body down.