Related by context. Frequent words. (Click for all words.) 65 sensory nerves 60 forebrain 59 anatomical structures 59 limbic system 59 olfaction 58 sensory neurons 58 sensory stimuli 58 ventral 58 pineal gland 58 olfactory bulb 58 rhodopsin 57 cochlea 57 transduction 57 sensory input 56 proprioception 56 neural tissue 56 vestibular 56 external stimuli 55 mammalian brain 55 limbic 55 midbrain 54 nerve endings 54 photoreceptors 54 neurones 54 sodium ions 54 parietal cortex 54 neural 54 signaling molecules 54 neural circuitry 53 glands 53 mammalian 53 olfactory 53 astrocyte 53 cerebellum 52 spatial orientation 52 neuronal activity 52 visual cortex 52 auditory cortex 52 auditory 52 nerve impulses 52 brainstem 52 basal ganglia 51 hind limbs 51 optic nerves 51 sebaceous glands 51 cochlear 51 cytosol 51 trigeminal nerve 51 temporal lobes 51 eukaryotic cells 51 sensory 51 homeostatic 51 glycans 51 mandibles 51 cortex 51 stomata 51 echolocation 51 photoreceptor cells 51 tubules 51 chemical messengers 50 Neurons 50 morphologically 50 subthalamic nucleus 50 spinal nerves 50 neuropeptides 50 soft tissues 50 auditory nerve 50 Wnt signaling 50 Abnormalities 50 microelectrodes 50 neural mechanisms 50 dendritic spines 50 hypothalamus 49 neuronal cells 49 organelle 49 inner ear 49 mammalian species 49 neuroendocrine 49 hypothalamic 49 binocular vision 49 subcellular 49 visual stimuli 49 autonomic nervous system 49 salivary glands 49 neurons 49 cilia 49 dorsal 49 receptor proteins 49 collagen fibers 49 receptors 49 nerve cells 49 imprinted genes 49 mirror neurons 49 conformational 49 mesenchymal cells 49 biological molecules 49 Langerhans cells 49 nerve fibers 49 electrical impulses 49 Mammalian 48 contractile