Anatomical Study of Chiari Network and the Remnant of Left Venous Valve in the Interior of Right Atrium

Table 1

Features of Chiari network and associated left venous valve remnant.

Specimen number	Characteristic feature	Number of fenestrations	Primary attachment	Extent to	Feature of the associated left venous valve remnant
1	Fenestrated membranous structure	27	Valve of inferior vena cava	Coronary sinus orifice	(Not associated)
2	Fenestrated membranous structure	10	Valve of inferior vena cava	Right atrial wall	Membranous structure with single fenestration
3	Reticular network of fine strands	—	Valve of inferior vena cava	Right atrial wall	Single strand over fossa ovalis