| Similarity | Rank | |
|---|---|---|
| neurotransmitter | 0.940 | 35288 |
| neurotransmitters | 0.920 | 32872 |
| norepinephrine | 0.912 | 48622 |
| dopamine | 0.906 | 20815 |
| cholinergic | 0.904 | 88546 |
| adenosine | 0.899 | 62814 |
| GABA | 0.896 | 46769 |
| excitatory | 0.895 | 83741 |
| serotonin | 0.886 | 18868 |
| adrenergic | 0.882 | 99859 |
| monoamine | 0.877 | 84399 |
| receptors | 0.876 | 13875 |
| dopaminergic | 0.875 | 78727 |
| glutamate | 0.862 | 44758 |
| NMDA | 0.861 | 89989 |
| synapse | 0.859 | 71012 |
| neuronal | 0.857 | 36134 |
| inhibitory | 0.856 | 40723 |
| histamine | 0.847 | 49266 |
| glycine | 0.845 | 81868 |
| receptor | 0.840 | 14395 |
| hypothalamic | 0.833 | 92743 |
| prostaglandins | 0.833 | 69147 |
| aldosterone | 0.833 | 90103 |
| endogenous | 0.831 | 37955 |