Patent - see also Imperfect closure
atrioventricular ostium 745.69
canal of Nuck 752.41
cervix 622.5
complicating pregnancy 654.5
affecting fetus or newborn 761.0
ductus arteriosus or Botalli 747.0
Eustachian
tube 381.7
valve 746.89
foramen
Botalli 745.5
ovale 745.5
interauricular septum 745.5
interventricular septum 745.4
omphalomesenteric duct 751.0
os (uteri) - see Patent, cervix
ostium secundum 745.5
urachus 753.7
vitelline duct 751.0
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