Related by context. Frequent words. (Click for all words.) 65 cochlea 60 electrical impulses 59 nerve impulses 58 vagus nerve 58 nerve cells 57 nerve fibers 56 temporal lobe 56 optic nerve 55 visual cortex 54 nerve endings 54 brain 54 brainstem 54 cerebellum 54 inner ear 53 optic nerves 53 thalamus 53 neurons 52 auditory 52 electrical pulses 51 cortex 51 neural pathways 50 neurones 50 blood vessels 50 tumors 50 oligodendrocytes 50 brain circuitry 50 sensory input 50 echolocation 50 peripheral nerves 50 salivary glands 49 mouse embryos 49 neuron 49 pancreas 49 malignant tumors 49 dopamine neurons 49 retinal cells 49 cochlear implant 49 benign tumors 49 vestibular 49 photoreceptors 48 synapses 48 diseased tissue 48 motor neurons 48 signaling molecules 48 hair follicles 48 acetylcholine 48 cochlear implants 48 cilia 48 estrogen receptors 48 neural 48 pancreatic cells 48 dopamine 48 neural connections 48 ear canal 48 neurotransmitters 48 profoundly deaf 47 ventricles 47 gastrointestinal tract 47 esophagus 47 striatum 47 neuroendocrine 47 tinnitus 47 small intestine 47 synapse 47 nasal cavity 47 motor cortex 47 bile ducts 47 dendrites 47 malignant cells 47 fallopian tube 47 ovaries 47 axon 47 lung tumors 47 intestines 47 axons 47 retina 46 hypothalamus 46 adrenal gland 46 TGF beta 46 electrical currents 46 electromagnetic waves 46 excitability 46 cerebral cortex 46 hippocampus 46 thyroid gland 46 germ cells 46 basal ganglia 46 Neurons 46 limbic system 46 neural circuits 46 endometrium 46 dopamine producing 46 glial cells 46 glutamate 46 cancerous cells 46 p# gene 46 nasal passages 45 malformation 45 fatty tissue 45 keratinocytes 45 Wnt