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What organ secretes the epinephrine and norepinephrine?
Adrenal gland, specifically its inner cortex.
What are the two neurohormones found in sympathetic or adrenergic nerves?
Epinephrine or adrenaline, and non epinephrine or noradrenaline.
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?
Epinephrine has a longer duration of action compared to norepinephrine because it is metabolized more slowly by enzymes in the body. Additionally, epinephrine has a higher affinity for beta-adrenergic receptors compared to norepinephrine, leading to a stronger and longer-lasting effect when it binds to these receptors.
Who Activates the sympathetic nervous system?
epinephrine and norepinephrine stimulate the sympathetic nervous system
What are adrenaline?
epinephrine and norepinephrine
What are catacholamines?
cat.e.cho.la.mine (kt-kl-mn, -kô-) n. Any of a group of amines derived from catechol that have important physiological effects as neurotransmitters and hormones and include epinephrine, norepinephrine, and dopamine.
What hormones act as hormones and neurotransmitters?
Epinephrine & Norepinephrine (NE)
Hormones known as catecholamines are?
epinephrine and norepinephrine
The adrenal medulla secrets what?
epinephrine and norepinephrine.
What neurotransmitters have energizing or arousing properties?
Epinephrine and Norepinephrine
Does post ganglionic fibers release epinephrine?
No, postganglionic fibers release norepinephrine, not epinephrine. Epinephrine is released by the adrenal medulla.
Glands that produce the hormones epinephrine and norepinephrine?
Adrenal medulla
