Difference between hormones and neurons

Answer 1

A hormone, by definition, is a compound produced by an endocrine gland and released into the bloodstream where it can find it's target cells at some distance from it's actual site of release. A neurotransmitter on the other hand is a compound released from a nerve terminal. When an electrical impulse travels to the end of a nerve cell, it stimulates the terminal of this cell to secrete a chemical signalling molecule at a special junction between nerve cells called a synapse. These nerve terminals are in direct apposition with their target cells to ensure rapid and specific delivery of the signal. This mode of transmission is in general much faster than the endocrine transmission I mentioned above. Both target cells possess receptors for the signalling molecule and may produce identical biochemical responses, it's just a question of the release mechanism that determines whether or not a given molecule is a neurotransmitter or a hormone. So, in the case of adrenaline, it's a hormone when the adrenal gland releases it into the bloodstream and it goes to the heart or the lungs OR it's a neurotransmitter when it is released from a stimulated presynaptic nerve cell and acts on it's neighbouring postsynaptic cell. Source: http://www.madsci.org/posts/archives/2000-04/956588883.Ns.r.html you cannot make a neurotrans, mitter but you can make a hor mone

Answer 2

Hormones are chemical messengers secreted by glands into the bloodstream to regulate various bodily functions, while neurons are cells in the nervous system that transmit electrical and chemical signals to control body functions and behaviors. Hormones act more slowly and have widespread effects throughout the body, while neurons transmit messages rapidly and allow for quick, specific responses.

Answer 3

Neurotransmitters travel across synapses in neuron while hormones travel across the blood stream. Hormones are secreted by glands while N.T.'s are secreted by vesicles in the synaptic bulb.

An example of a N.T. would be Norepinephrine.

Epinephrine is a hormone.

Answer 4

Nerve impulses are electrical impulses they travel rapidly along the nerve fibers and also responds to stimulus in milliseconds. Where as hormones are a chemical messengers that are transported in the blood stream. Hormones are typically slower acting and the responses can last a considerable amount of time compared to the nerve impulses which lasts for only a short time.

Answer 5

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Answer 6

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