Related by context. Frequent words. (Click for all words.) 65 sensory nerves 65 neurochemical 65 neural pathways 64 cannabinoid receptors 64 endocannabinoids 64 neural circuits 64 sensory neurons 63 neural mechanisms 63 neural circuitry 63 neuronal activity 62 brain circuitry 62 molecular pathways 61 neurotransmitter serotonin 61 forebrain 61 dopamine receptors 61 neuropeptide 61 TRPV1 61 orexin 60 biochemical pathways 60 molecular pathway 60 synaptic plasticity 60 signaling pathways 60 neurotransmission 60 molecular mechanism 60 neurochemistry 60 cell signaling pathways 60 homeostatic 60 NKT cells 60 neurotransmitter 59 biochemical pathway 59 cholinergic 59 neurones 59 midbrain 59 hypothalamic 59 NMDA receptors 59 inhibitory 59 dopaminergic 59 NMDA receptor 59 pharmacologically 59 receptors 59 neurotransmitters 59 neurons 59 nerve impulses 58 opioid receptors 58 biochemical processes 58 synapse 58 neuroendocrine 58 basal ganglia 58 dendritic spines 58 neurotransmitter dopamine 58 cellular metabolism 58 synaptic 58 androgen receptor 58 S1P 58 secretion 58 innate immune response 58 signaling molecules 58 vasodilation 58 dietary restriction 58 Nrf2 57 astrocyte 57 vagus nerve 57 TRPA1 57 cortex 57 autonomic nervous system 57 chemical messengers 57 axonal 57 protein kinase C 57 PrP 57 pineal gland 57 trigeminal nerve 57 glucocorticoid 57 SIRT1 57 dopamine neurons 57 nerve cells 57 limbic system 57 signaling pathway 57 vasopressin 57 enzymatic activity 57 receptor 57 mirror neurons 56 tumorigenesis 56 reproductive hormones 56 serotonin receptors 56 striatum 56 RANKL 56 PGE2 56 hormone leptin 56 organelle 56 NF kappaB 56 dopaminergic neurons 56 neuronal cells 56 PPAR gamma 56 adenosine 56 vasoconstriction 56 keratinocytes 56 dysregulation 56 external stimuli 56 dendrite 56 mammalian brain 56 hypothalamus