it's a hormone when it is produced by the adrenal gland and a nuerotransmitter when it is secreted by a nueron.
Most hormones are proteins but not all are. Some, such as testosterone, are steroid hormones.
Norepinephrine is a mediator that is considered to be both a neurotransmitter and a hormone. Hormones that are produced by both ovaries and testes are inhibin.
Yes. They can serve both as a neurotransmitter and as a hormone.
Epinephrine, or adrenaline, is located at the adrenal glands, but is also a neurotransmitter and a hormone.
You probably mean "epinephrine". This is the preferred term to use when referring to the neurotransmitter/hormone that used to be known as "adrenaline".
As a hormone and neurotransmitter, epinephrine acts on nearly all body tissues.
also refered as adrenalyn is a neurotransmitter. It is also a hormone. In the related links box below I Posted the wikipedia article on epinephrine. There is everything you need to know.
Norepinephrine as a hormone is stimulated by epinephrine and angiotensin II. Norepinephrine as a neurotransmitter is stimulated by electrical impulses from the sympathetic nervous system.
epinephrine
epinephrine and norpepinephrine
insulin
No.