10. 
    neurotransmitter
    Any of a group of substances that are released on excitation from the axon terminal of a presynaptic neuron of the central or peripheral nervous system and travel across the synaptic cleft to either excite or inhibit the target cell. Among the many substances that have the properties of a neurotrans...
    Found op http://www.mondofacto.com/facts/dictionary?neurotransmitter
    
    
11. 
    neurotransmitter
    noun transmits nerve impulses across a synapse
    Found op http://wordnetweb.princeton.edu/perl/webwn?s=neurotransmitter
    
    
12. 
    neurotransmitter
    (noor″o-trans´mit-әr) a substance (such as norepinephrine, acetylcholine, or dopamine) that is released from the axon terminal of a presynaptic neuron on excitation, and that travels across the synaptic cleft to either excite or inhibit the target cell.
    Found op http://www.encyclo.co.uk/local/21001
    
    
13. 
    neurotransmitter
    any of a group of chemical agents released by neurons (nerve cells) to stimulate neighbouring neurons, thus allowing impulses to be passed from one ... [18 related articles]
    Found op http://www.britannica.com/eb/a-z/n/29
    
    
14. 
    neurotransmitter
    any of a group of substances that are released on excitation from the axon terminal of a presynaptic neuron of the central or peripheral nervous system and travel across the synaptic cleft to either excite or inhibit the target cell. Among the many substances that have the properties of a neurotrans...
    Found op http://users.ugent.be/~rvdstich/eugloss/DIC/dictio59.html
    
    
15. 
    Neurotransmitter
    Neurotransmitters are endogenous chemicals that transmit signals from a neuron to a target cell across a synapse. Neurotransmitters are packaged into synaptic vesicles clustered beneath the membrane on the presynaptic side of a synapse, and are released into the synaptic cleft, where they bind to r...
    Found op http://en.wikipedia.org/wiki/Neurotransmitter
    
    
16. 
    neurotransmitter
    The arrival of a nerve impulse stimulates the release of neurotransmitters from vesicles. They pass across the synapse and open channels in the target cell. Charged particles can then enter and trigger a second impulse. A chemical that mediates the transmission of a nerve impulse across the syna...
    Found op http://www.daviddarling.info/encyclopedia/N/neurotransmitter.html
    
    
17. 
    neurotransmitter
    neurotransmitter, chemical that transmits information across the junction (synapse) that separates one nerve cell (neuron) from another nerve cell or a muscle. Neurotransmitters are stored in the nerve cell's bulbous end (axon). When an electrical impulse traveling along the nerve reaches the axon, ...
    Found op http://www.infoplease.com/ce6/sci/A0835318.html
    
    
18. 
    Neurotransmitter
    A neurotransmitter is a chemical by which a nerve cell communicates with another nerve cell or with a muscle.
    Found op http://www.probertencyclopaedia.com/browse/EN.HTM
    
    
19. 
    neurotransmitter
    Type: Term Pronunciation: nū′rō-trans′mit-ĕr Definitions: 1. Any specific chemical agent (including acetylcholine, five amines, four amino acids, two purines, and more than 28 peptides) released by a presynaptic cell, on excitation, that crosses the synapse to stimulate or...
    Found op http://www.medilexicon.com/medicaldictionary.php?t=60315
    
    
20. 
    neurotransmitter
    Chemical that diffuses across a synapse, and thus transmits impulses between nerve cells or between nerve cells and effector organs (for example, muscles). Common neurotransmitters are the amino acids glutamate and GABA (gamma-amino butyric acid), as well as noradrenaline (which also acts as a hormo...
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0006845.html
    
    
21. 
    neurotransmitter
    (noor;o-trans;mit-er) A chemical contained in synaptic vesicles in nerve endings that is released into the synaptic cleft, where it stimulates the production of either excitatory or inhibitory postsynaptic potentials.
    Found op http://www.mhhe.com/biosci/abio/glossary.mhtml
    
    
22. 
    neurotransmitter
    (noor;o-trans;mit-er) A chemical contained in synaptic vesicles in nerve endings that is released into the synaptic cleft, where it stimulates the production of either excitatory or inhibitory postsynaptic potentials.
    Found op http://www.mhhe.com/biosci/abio/glossary.mhtml
    
    

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