Related by context. Frequent words. (Click for all words.) 53 synapses 53 Neurons 50 synapse 47 synaptic 47 neurons 47 neural circuits 46 ion channels 46 nerve cells 46 neurones 45 signaling molecules 45 neurotransmitters 44 neural pathways 44 neuron 44 molecules 44 Peptides 43 RNA molecules 43 cochlea 43 microtubules 42 fibrils 42 dendrites 42 signaling pathways 42 nerve fibers 42 frontal cortex 42 Dopamine 42 glial cells 41 alpha synuclein 41 molecular pathways 41 axons 41 proteins 41 neurotransmitter 41 neural 41 cell membranes 40 motor neurons 40 cell membrane 40 organelles 40 histones 40 glutamate 40 striatum 40 amyloid plaques 40 neuronal 40 myelin 40 DNA strands 40 signaling pathway 39 chromatin 39 acetylcholine 39 neural networks 39 axon 39 neocortex 39 cortex 39 cytoskeleton 39 LTP 39 mitochondria 39 vagus nerve 38 cortical 38 receptors 38 microglia 38 microtubule 38 intracellular 38 C. elegans 38 nuclei 38 metabolic pathways 38 molecular 38 filaments 38 pancreatic cells 38 signaling molecule 38 osteoblasts 38 SIRT1 38 vesicles 37 molecular mechanism 37 brain circuitry 37 nerve impulses 37 TGF beta 37 molecule 37 fibroblasts 37 photoreceptors 37 astrocytes 37 dopamine 37 plasticity 37 basal ganglia 36 tumor suppressor genes 36 BDNF 36 prefrontal cortex 36 peripheral nerves 36 metabolic processes 36 electrons 36 plasma membrane 36 connective tissues 36 circuitry 36 inhibitory 35 mRNAs 35 retinal cells 35 Genes 35 protein synthesis 35 excitation 35 hippocampus 35 visual cortex 35 elastin 35 germ cells 35 brainstem 35 extracellular 35 thalamus