Related by context. Frequent words. (Click for all words.) 65 neural tube 63 patent foramen ovale PFO 59 patent foramen ovale 58 septal 57 ischaemia 57 vasospasm 57 bronchi 57 venous blood 56 peritoneum 55 Ischemia 55 pulmonary arteries 55 ureters 55 left atrial appendage 54 pulmonary artery 54 pharyngeal 54 upper gastrointestinal tract 54 tubal 54 bloodflow 54 aortic arch 53 Gestational diabetes 53 anal canal 53 ectopic 53 Uterine 53 peritoneal cavity 52 uterine contractions 52 vas deferens 52 urethra 52 narrowed arteries 52 electrical conduction 52 intrauterine 52 pelvic organs 52 ventricular septal defect 52 duodenal 52 thoracotomy 52 Venous 52 BH4 51 urethral 51 clot formation 51 lower esophageal sphincter 51 Pre eclampsia 51 diseased arteries 51 anastomosis 51 myocardial ischemia 51 Carotid 51 epididymis 51 potassium ions 51 hypoxemia 51 neonate 51 lobules 51 Postoperative 51 bypass grafts 50 ureter 50 diverticula 50 upper airway 50 laparotomy 50 stenoses 50 optic neuropathy 50 ischemia reperfusion injury 50 circulatory system 50 oxygenated blood 50 cardiac hypertrophy 50 dissolve blood clots 50 preterm infants 50 uncontrolled bleeding 50 pulmonary valve 50 cardiopulmonary bypass 50 ventilatory 50 oviduct 50 thromboembolism 50 postsurgical 50 recanalization 50 blood vessels 50 central venous catheters 50 saphenous vein 49 bradycardia 49 vasodilators 49 brachial plexus 49 vascular 49 vasodilation 49 postpartum hemorrhage 49 airway 49 Chronic inflammation 49 inhaled nitric oxide 49 Penile 49 stoma 49 neovascularization 49 neonates 49 heavy menstrual bleeding 49 fibrinolysis 49 CMV infection 49 gastrointestinal GI tract 49 atherosclerotic lesions 49 ciliary 49 prolapsed 49 stented 49 biliary 49 duodenum 49 spinal canal 49 nonsense mutation 49 intracranial 49 placental abruption