Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
Give an account of how the monoamines act as transmitters and their roles in function in the brain
Member rating: No Rating | Words: | Submitted: Mon Oct 08 2007
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
Give an account of how the monoamines act as transmitters and their roles in function in the brain Before any detailed explanations of how monoamines act as transmitters and their prime functions in the brain, I feel it is appropriate to describe what transmitters are and outline their functions in the nervous system as well as the criteria needed for a transmitter. The definition of a neurotransmitter is "chemicals that are used to relay, amplify and modulate electrical signals between neurons". (wikipedia, 2006) Moreover, for these substances to be classified as a neurotransmitter, certain criteria must be met as follows. Firstly, it is synthesized when required endogenously at the pre-synaptic side of the cell and stored in vesicles. Secondly, an adequate amount can be released to cause a response on the post-synaptic neuron. Finally, an inactivation mechanism is required to terminate its effect upon cell. Neurotransmitters are agonists and may produce...
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 151,713 others
