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adrenel medulla
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Which autonomic neurons release norepinephrine as a neurotransmitte?
Sympathetic postganglionic neurons release norepinephrine,
What do cholinergic neurons secrete?
Cholinergic neurons secrete acetylcholine.
Does parasympathetic nerves secrete norepinephrine?
No. They secrete acetylcholine only.
Does the sympathetic or parasympathetic secrete norepinephrine?
Sympathetic
Does the Zona fasciculata in the adrenal gland secrete norepinephrine?
No
Does parasympathetic have postganglionic axons secrete norepinephrine?
no, not all postganglionic sympathetic fibre neuron secrete NE
What is neurotransmitter of the sympathetic nervous system?
acytelcholine in pre-ganglionic neurons, norepinephrine in most post-ganglionic neurons.
What endocrine glands secrete norepinephrine?
None, nerve endings aren't endocrine glands, are they?
What is the substance used by motor neurons to transmit stimuli to skeletal muscle?
norepinephrine
Epinephrine released from the adrenal medulla may stimulate target receptors for a longer period of time than norepinephrine released from neurons Why may this be?
There are no enzymes in the bloodstream to deactivate epinephrine and norepinephrine.
What is the function of adrenal medulla?
The adrenal medullas secrete hormones. It stressful situations, it release epinephrine and norepinephrine which increases heart rate, breathing rate, etc.Adrenal medulla produces the hormone adrenaline. It is released in response to stress.
Does the sympathetic division secrete norepinephrine?
Yes, when stimulated the sympathetic postganglionic fibers release norepinepherine (20%) and epinepherine (80%).
