Related by context. Frequent words. (Click for all words.) 61 peristalsis 59 muscle contractions 59 electrical conduction 57 plexus 56 skeletal muscle cells 55 sensory nerves 55 digestive organs 54 uterine contractions 54 peripheral tissues 54 phrenic nerve 54 constricts blood vessels 54 neuromuscular junction 54 tendons ligaments 54 bloodflow 54 skeletal muscles 53 muscle degeneration 53 distension 53 nerve impulses 52 pharyngeal 52 lymphatics 52 muscles ligaments 52 innervation 52 arteries veins 52 lymph vessels 51 constricts blood 51 decelerations 51 gastrointestinal tracts 51 arterioles 51 resorption 51 vas deferens 51 inferior vena cava 51 contractility 51 vessel dilation 51 peristaltic 51 oscillatory 51 involuntary muscle contractions 50 pericytes 50 bronchioles 50 nitric oxide synthase 50 vesicular 50 dermal layer 50 peritoneal cavity 50 bacterial fermentation 50 hypersonic speeds 50 collagen fibers 50 bronchi 50 vasodilation 50 ablating 50 nasal mucosa 50 endocrine glands 50 endometrial tissue 50 femoral vein 50 contractile 49 phloem 49 relaxes muscles 49 thrombi 49 gluconeogenesis 49 female reproductive tract 49 elastic fibers 49 potassium ions 49 suctions 49 capillaries 49 clot formation 49 engorgement 49 cyclic AMP 49 Purkinje cells 49 abdomen pelvis 49 oxygen ions 49 exocytosis 49 myocytes 49 depolarization 49 neurone 49 abnormal heartbeats 49 endosome 49 adrenals 49 blood lactate 49 epithelia 49 ileus 49 neovascularization 48 luteinizing hormone 48 mucosal surfaces 48 spermatogenesis 48 endoplasmic reticulum ER 48 myelin sheaths 48 mediastinum 48 medulla 48 ciliary 48 hypothalamic 48 edema swelling 48 moistens 48 antioxidant enzymes 48 mesoderm 48 cerebral ischemia 48 cellular respiration 48 excess mucus 48 spleen liver 48 oesophageal 48 sodium ions 48 dural 48 fatty acid oxidation 48 tubules