Interior Right Atrium Flashcards

1
Q

_____ Receives Venous Blood from SVC , IVC and coronary sinus

A

Right Atrium

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2
Q

____ is the conical muscular pouch projecting from right atrium

A

Right Auricle

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3
Q

_____ increases capacity of the atrium

A

Right Auricle

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4
Q

The Interior of Right Atrium is made up of 3 parts. Name them
1._____
2._____
3._____

A
  1. Smooth posterior
  2. Rough anterior
  3. Interatrial Septum
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5
Q

The Separation between the Smooth posterior and Rough anterior is done externally by _____

A

Sulcus terminalis
(Terminal groove)

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6
Q

The Separation between the Smooth posterior and Rough anterior is done internally by_______

A

Crista terminalis

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7
Q

The Smooth posterior part of the interior right atrium is developed from______

A
  • Sinus Venous of the Heart tube
  • Opening of SVC, IVC, coronary sinus
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8
Q

The Rough anterior part of the interior right atrium is developed from _____

A

Pectinate Muscle
(L. Musculi Pectinate)

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9
Q

_____separates the right and left atrium

A

Interatrial septum

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10
Q

Describe the Interatrial Septum

A
  • 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)

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11
Q

______ is a remnant of the Oval fossa (L. fossa ovalis)

A

Oval foramen (L. foramen ovale)

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