Heart Dissection
Base
Apex
Auricles
Ear-shaped
extensions
of the atria.
Rt.
Lt.
The auricles wrap around to
the anterior side of the heart.
Anterior
The Coronary Vessels
Coronary arteries and veins
supply blood to the heart itself.
This is called coronary
circulation
Anterior
View
Coronary Arteries and Veins
Oxygenated blood goes into
the heart wall through
coronary arteries
Deoxygenated blood
returns from the heart wall
through coronary veins
Locating the
Major Vessels
Anterior View--Aortic Arch
Aorta
Arising from the left
ventricle of the
heart is the largest
artery of the body,
the aorta.
Rt.
Lt.
Anterior View--Aortic Arch
Lt. common
carotid
brachiocephalic
artery
Aorta
Supply blood
to the upper
chest, neck,
arms, and
head
Rt.
Lt.
Aorta: Posterior View
Aorta
Lt.
Rt.
Posterior View--Vena Cavae
Superior
Vena Cava
Inferior
Vena
Cava
Lt.
Rt.
Posterior View--Pulmonary Artery
Left
Pulmonary
Artery
Lt.
Rt.
Posterior View--Pulmonary Veins
Lt.
Rt.
Pulmonary veins are inferior to pulmonary arteries.
Right
Pulmonary
Vein
Left
Pulmonary
Vein
Lt.
Rt.
Open
heart
Anterior half
Posterior
half
Rt.
Lt.
Lt. Atrium
Rt. Atrium
Rt.
Lt.
Rt. Ventricle
Lt. Ventricle
Width of right
ventricular
wall
Rt.
Width of
left
ventricular
wall
Lt.
Tricuspid
valve
Cusp of
valve
Papillary
muscles
Chordae
tendineae
Rt.
Lt.
Mitral
valve
Rt.
Lt.
Rt.
Lt.
Chordae
tendinae
Rt.
Chordae
tendinae
Lt.
Check point
You should be able to trace pathway of blood
(begin with Right Atrium and end with the vena cava)