Transcript Heart Dissection Pre-Lab

Health Essentials 1, 2
Ms. Quintana
VIDEOS
http://www.youtube.com/watch?v=mNjATiS7d30
http://www.youtube.com/watch?v=TdRBVsccPE4
http://www.youtube.com/watch?v=F5a0DruZpjY
(gulp)
But sheep have nice hearts…
Supplies you will use:
Dissection Tray & Pig Heart
Base
Apex
Let’s Get
Started!!!
Anterior
View
Anterior View--Aortic Arch
Aorta
Arising from the left
ventricle of the heart
is the largest artery of
the body, the aorta.
Rt.
Lf.
Anterior View--Aortic Arch
Brachiocephalic trunk
(innominate artery)
Rt.
Lf. common
carotid
Lf.
Aorta: Posterior View
Aorta
Lf.
Rt.
Posterior View--Vena Cavae
Inferior
Vena Cava
Lf.
Superior
Vena Cava
Rt.
Posterior View--Pulmonary Artery
Lf. Pulmonary
artery
Lf.
Rt.
Posterior View--Pulmonary Veins
Rt.
Lf.
Pulmonary veins are inferior to pulmonary arteries.
Rt.
Pul. vein
Lf.
Pul. vein
Dissect heart on the coronal plane
This separates the anterior and posterior sections
Open heart
on dissection
tray.
Anterior half
Posterior half
Rt.
Lf.
Rt. Atrium
Rt.
Lf. Atrium
Lf.
Width of right
ventricular
wall
Rt. Ventricle
Width of left
ventricular
wall
Lf. Ventricle
Tricuspid
valve
Cusp of
valve
Papillary
muscles
Chordae
tendinae
Mitral
valve
Chordae
tendinae
Chordae
tendinae
Final Check point
Students should be able to trace pathway of blood
through great vessels and heart.
(begin with vena cava and end with vena cava)
That’s All folks!
…help clean up.