Heart
3
Plate222
ConductingSystemofHeart
Ascending aorta
Superior vena cava
Sinu-atrial (SA)
nodal artery
Sinu-atrial
(SA) node
Crista terminalis
Inferior vena cava
Right fibrous ring
(of tricuspid valve)
Atrioventricular part
Interventricular part
Membranous septum
Pulmonary valve
Atrioventricular (AV) node
Atrioventricular (AV)
bundle (of His)
Right bundle
Purkinje fibers
Septomarginal
trabecula
(moderator band)
Anterior
papillary muscle
Subendocardial
branches
(Purkinje fibers)
Interventricular part
Atrioventricular part
Membranous
septum
Posterior semilunar cusp
Left semilunar cusp
Right semilunar cusp
Aortic
valve
Arch of aorta
Pulmonary trunk
Left bundle
Anterior
papillary muscle
Subendocardial
branches
(Purkinje fibers)
Posterior
papillary muscle
Left auricle
Right
pulmonary veins
Left side
Mitral valve
(
cut away
)
Inferior vena cava
Muscular part of
interventricular septum
Right side