下列那兩條靜脈的連接,組成門脈系統與體循環系統的吻合(portal-systemic anastomosis)?
腹壁上靜脈與旋髂淺靜脈(superior epigastric and superficial circumflex iliac vein)
副臍靜脈與腹壁淺靜脈(paraumbilical veins and superficial epigastric vein)
脾靜脈與下腸繫膜靜脈(splenic vein and inferior mesenteric vein)
右與左胃網膜靜脈(right and left gastroepiploic vein)