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Flashcards in Heart Deck (14)
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1
Q

Ridges in the wall of atria

A

Musculi pectinati

2
Q

Attach to the mitral and tricupsid valve

A

Cordae tendenae

3
Q

Receives blood from the coronary veins

A

Coronary sinus- Opens in the right atrium

4
Q

Muscular ridges in the interior of the atrium

A

Crista terminalis- splits the sinus venorum (posterior) and atrium proper (anterior)

5
Q

Muscular pouch that acts to increase atria capacity

A

Right auricle

6
Q

Solid muscular wall that separates the right and left atrium

A

Interatrial septum

7
Q

Small oval shaped depression in right atria

A

Fossa ovalis- used to be foremans ovale (bypass heart right to left)

8
Q

Ventricular muscular ridges

A

Trabeculae carnae- sponge like appearance

9
Q

Extends superior aspect of the left atria

A

Left auricle- overlapping the pulmonary trunk

10
Q

Anchored into the base of ventricles

A

Papillary muscles- contract to pull chordae tendineae, stop prolapse

11
Q

Separates right and left ventricle

A

Intraventricular septum

12
Q

Ligamentum arteriosum

A

Used to be ductus arteriosis which attached the pulmonary artery and descending aorta to bypass the lungs

13
Q

Right coronary arteries

A

Posterior intraventricular artery
Right marginal artery
PRM

14
Q

Left coronary arterys

A
Left coronary artery 
Left anterior descending 
Left marginal artery 
circumflex
LCA and LAD