vena caval foramen


caval opening of diaphragm

[TA] an orifice in the right lobe of the central tendon of the diaphragm that transmits the inferior vena cava and branches of the right phrenic nerve. Synonym(s): foramen of vena cava, foramen quadratum, foramen venae cavae, vena caval foramen

vena caval foramen

The opening in the diaphragm through which the inferior vena cava and branches of the right vagus nerve pass See: caval foramen.See also: foramen