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What is medullary hormones?
Hormones secreted by adrenal medulla.They are adrenaline and noradrenaline.
Is adrenaline and noradrenaline the same?
No adrenaline and noradrenaline are NOT the same.
The sympathetic nervous system releases the neurotransmitter?
Norepinephrine (otherwise known as Noradrenaline). Acetylcholine IS NOT the right answer.
How long does neurotransmitter stay in the synapse What is the rate of removal of neurotransmitter Is it an exponential decay?
Neurotransmitter stay for few milliseconds only in the synapse. The rate is difficult to define, but then the decay is most probably exponential decay. The acetylcholine is destroyed by the enzyme acetylcholinestarage. The noradrenaline is taken up back by the neuron, which has secreted it.
What might happen I'd the person's adrenal glands are not producing enough adrenaline?
It depends. The adrenal gland makes several hormones, including aldosterone, cortisol, DHEA, adrenaline, and noradrenaline, all of which have distinct actions. The outcome of adrenal hormone excess depends on the hormone(s) that is/are excessively secreted.
What is medullary hormones?
Hormones secreted by adrenal medulla.They are adrenaline and noradrenaline.
Can adrenaline and noradrenaline secreted at the same time?
No. Both work to lower eachother.
Is adrenaline and noradrenaline the same?
No adrenaline and noradrenaline are NOT the same.
Adrenaline and noradrenaline?
Adrenaline and noradrenaline hormones are secreted in stress conditions. During this the blood vessels dilates and the heart rate increases. BUT actually the function of both the hormone is synergistic in raising the blood pressure. These also release glucose from liver and reinforce the effects of sympathetic system. In the absence of these hormones, the stress conditions are diminished.
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.
How can adrenergic drugs stimulate the adrenergic nerves?
This is done through several mechanisms: - Stimulating noradrenaline to be released - Mimicking noradrenaline's action on the receptors -Preventing noradrenaline to be broken down and reuptaken
The sympathetic nervous system releases the neurotransmitter?
Norepinephrine (otherwise known as Noradrenaline). Acetylcholine IS NOT the right answer.
Which neuro transmitter released from ganglionic of the parasympathetic division?
Nor-adrenaline is secreted at post ganglionic sympathetic synapses. There is re-uptake of Nor-adrenaline by nerve ending and only partially destroyed there by the enzyme C.O.M.T. There is no enzyme like acetylcholinesterase present there as in post ganglionic parasympathetic synapse to destroy the acetylcholine.
How does noradrenaline affect the heart rate?
It doesnt
What is SNRI?
SNRI is a class of antidepressants known better as Serotonin and Noradrenaline Reuptake Inhibitors. They increases (to some degree) the amount of serotonin and noradrenaline (norepinephrine) in the brain.
How long does neurotransmitter stay in the synapse What is the rate of removal of neurotransmitter Is it an exponential decay?
Neurotransmitter stay for few milliseconds only in the synapse. The rate is difficult to define, but then the decay is most probably exponential decay. The acetylcholine is destroyed by the enzyme acetylcholinestarage. The noradrenaline is taken up back by the neuron, which has secreted it.
What might happen I'd the person's adrenal glands are not producing enough adrenaline?
It depends. The adrenal gland makes several hormones, including aldosterone, cortisol, DHEA, adrenaline, and noradrenaline, all of which have distinct actions. The outcome of adrenal hormone excess depends on the hormone(s) that is/are excessively secreted.
