Interior Right Atrium Flashcards
_____ Receives Venous Blood from SVC , IVC and coronary sinus
Right Atrium
____ is the conical muscular pouch projecting from right atrium
Right Auricle
_____ increases capacity of the atrium
Right Auricle
The Interior of Right Atrium is made up of 3 parts. Name them
1._____
2._____
3._____
- Smooth posterior
- Rough anterior
- Interatrial Septum
The Separation between the Smooth posterior and Rough anterior is done externally by _____
Sulcus terminalis
(Terminal groove)
The Separation between the Smooth posterior and Rough anterior is done internally by_______
Crista terminalis
The Smooth posterior part of the interior right atrium is developed from______
- Sinus Venous of the Heart tube
- Opening of SVC, IVC, coronary sinus
The Rough anterior part of the interior right atrium is developed from _____
Pectinate Muscle
(L. Musculi Pectinate)
_____separates the right and left atrium
Interatrial septum
Describe the Interatrial Septum
- An oval depression
-the oval fossa (L. fossa ovalis),
which is a remnant of the oval foramen (L. foramen ovale) and its valve in the fetus.
(THIS IS VERY IMPORTANT)
______ is a remnant of the Oval fossa (L. fossa ovalis)
Oval foramen (L. foramen ovale)