Related by context. Frequent words. (Click for all words.) 65 visual cortex 63 thalamus 62 cortex 60 brainstem 60 hypothalamus 59 olfactory 59 cerebellum 59 neurons 59 basal ganglia 59 temporal lobe 58 limbic system 58 striatum 58 neurones 58 cortical 58 neuronal activity 58 neuron 57 nerve cells 57 cochlea 56 hippocampus 56 synapse 55 neocortex 55 amygdala 55 sensory input 55 ventral 54 neural 54 neural circuitry 54 cilia 54 nasal cavity 53 frontal cortex 53 germ cells 53 signaling molecules 53 cerebral cortex 53 receptors 53 vesicle 52 endocytosis 52 auditory 52 mammalian 52 hippocampal 51 signaling molecule 51 neurotransmitter dopamine 51 brain circuitry 51 prefrontal cortex 51 cytoplasm 51 inhibitory 51 membrane protein 51 gene expression patterns 51 motor cortex 51 insula 51 axons 51 vertebrates 50 dendrites 50 nucleus accumbens 50 secretion 50 salivary glands 50 visual stimuli 50 neuronal 50 axon 50 photoreceptors 50 plasma membrane 50 keratinocytes 50 neural pathways 50 neural circuits 50 neuroendocrine 50 motor neurons 50 vesicles 50 receptor 50 neurotransmitter 49 duodenum 49 optic nerves 49 vertebrate 49 microglia 49 nerve fibers 49 epithelium 49 neurotransmitters 49 epithelial cells 48 C. elegans 48 testis 48 Drosophila 48 mRNAs 48 acetylcholine 48 neurogenesis 48 proteins 48 alpha synuclein 48 mammalian cells 48 pheromones 48 morphology 48 synchrony 48 messenger RNA mRNA 48 morphological 48 mRNA 48 vasopressin 48 glutamate 48 RNA molecules 48 gene expression 48 HSCs 48 pharynx 48 subunits 48 synaptic 47 phenotypes 47 substantia nigra 47 pheromone