The fourth hypothesis was commonly accepted, but it was later shown that the right vitelline artery (right omphalomesenteric artery) did not supply the anterior abdominal wall in this area.
Štvrtá hypotéza bola bežne prijímaná, ale neskôr bolo preukázané, že pravá žĺtková tepna (pravá omphalomesenterická tepna) nezásobuje prednú stenu brušnú v tejto oblasti.