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Flashcards in Heart Deck (14)
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1

Ridges in the wall of atria

Musculi pectinati

2

Attach to the mitral and tricupsid valve

Cordae tendenae

3

Receives blood from the coronary veins

Coronary sinus- Opens in the right atrium

4

Muscular ridges in the interior of the atrium

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

5

Muscular pouch that acts to increase atria capacity

Right auricle

6

Solid muscular wall that separates the right and left atrium

Interatrial septum

7

Small oval shaped depression in right atria

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

8

Ventricular muscular ridges

Trabeculae carnae- sponge like appearance

9

Extends superior aspect of the left atria

Left auricle- overlapping the pulmonary trunk

10

Anchored into the base of ventricles

Papillary muscles- contract to pull chordae tendineae, stop prolapse

11

Separates right and left ventricle

Intraventricular septum

12

Ligamentum arteriosum

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

13

Right coronary arteries

Posterior intraventricular artery
Right marginal artery
PRM

14

Left coronary arterys

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