Related by context. Frequent words. (Click for all words.) 79 axons 67 nerve fibers 66 nerve cells 65 dendrites 64 neuron 63 neurons 63 microtubules 61 neuronal 61 synapse 61 cilia 60 cell membrane 59 neurones 58 astrocytes 58 motor neurons 58 glial cells 57 intracellular 57 synaptic 57 signaling pathway 57 messenger RNA 56 proteins 56 cortex 56 extracellular 56 organelles 56 vagus nerve 56 peripheral nerves 56 hypothalamus 55 molecule 55 actin 55 vesicles 55 neurotransmitter 55 inhibitory 55 cerebellum 55 signaling molecules 55 mRNA 55 striatum 55 macrophage 55 epithelium 55 testis 54 cytoskeleton 54 myelin 54 germ cells 54 tumor cells 54 basal ganglia 54 endothelial 54 epithelial cells 54 cell membranes 54 signaling pathways 53 synapses 53 endothelial cells 53 thalamus 53 autophagy 53 DNA strands 53 Neurons 53 mTOR 53 RNAs 53 cytoplasm 53 Akt 53 muscle fibers 53 transcription factors 53 glutamate 53 fibroblasts 52 blood vessels 52 C. elegans 52 SIRT1 52 protein synthesis 52 neurogenesis 52 lipids 52 filaments 52 cortical 52 photoreceptors 52 acetylcholine 52 molecules 52 motility 52 tumor suppressor 52 epithelial 52 BDNF 51 vasculature 51 hippocampus 51 progenitor cells 51 mammalian cells 51 neurotransmitters 51 dendritic cells 51 nanotube 51 subunits 51 mitochondria 51 receptor 51 protein 51 skeletal muscle 51 phosphorylation 50 malignant cells 50 neural 50 nerve endings 50 VEGF 50 receptors 50 membrane 50 muscle tissue 50 RNA molecules 50 secretion 50 immune cells 50 p# [001] 50 hair follicle