Related by context. Frequent words. (Click for all words.) 54 nerves 53 nerve endings 51 Nerve 48 spine 47 sciatic nerve 46 spinal cord 44 brain 43 peripheral nerves 42 vagus nerve 41 muscle 41 nerve cells 41 neuropathy 40 tendons 40 optic nerves 40 nerve fibers 40 connective tissue 40 optic nerve 39 muscles 39 peripheral nerve 39 synapse 38 spinal canal 38 peripheral neuropathy 38 inflammation 38 cerebellum 38 sinus 38 neurological 38 facial muscles 37 spinal 37 reflex 37 Nerves 37 ligaments 37 spinal column 37 solar plexus 37 glandular 37 composure 37 lung 36 synapses 36 synaptic 36 inner ear 36 epidermis 36 salivary glands 36 motor neurons 36 connective tissues 36 tear ducts 36 vocal cords 36 muscle fibers 36 vocal chords 36 blister 36 leg 36 degenerative 36 scar tissue 36 sphincter 36 biceps 36 frontal lobe 35 cuticle 35 blood vessels 35 gut 35 sinews 35 scalp 35 abdominal muscles 35 axons 35 muscle tissue 35 heart 35 bladder 35 pain 35 pituitary 35 degenerative disease 35 neuron 35 liver 35 skeletal muscles 35 retina 35 tendon 34 hair follicles 34 gland 34 numbness 34 cell membrane 34 Cartilage 34 posterior 34 calf muscles 34 fibrin 34 sternum 34 lymph 34 bone 34 temporal lobe 34 debilitating 34 fingers 34 ligament 34 forearm 34 raw nerve 34 armpit 34 sinuses 34 carpal tunnel 34 sweaty palms 34 acetylcholine 33 wrists 33 arthritis 33 nasal cavity 33 calf muscle 33 nerve impulses 33 brains 33 throat