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Heart – Pulmonary Trunk

The green pin in this heart indicates the pulmonary trunk which will split into the left and right pulmonary arteries.   It is the most anterior vessel of the heart and carries blood from the heart to the lungs where blood becomes oxygenated and returns back to

Dissection of the Sheep Heart

The vessels of the heart are identified in this video: aorta, pulmonary trunk, brachiocephalic, and the vena cava.  The heart is then cut in half the the internal structures are revealed: the atria,  ventricles, bicuspid and tricuspid.

Cat Vessels, Lower Body

This video traces the abdominal aorta to show where it branches to the celiac trunk, the superior mesenteric, renal arteries and inferior mesenteric.   The inferior vena cava is also shown with the renal vein branches.  Finally, the abdominal aorta splits to travel into the legs at

Muscles of the Chest

The pectoralis muscles are divided into three sections:  pectoantebrachialis, pectoralis major, pectoralis minor. The xiphihumeralis is named for its connection between the humerus and the xiphoid process of the sternum.  

Heart, Biscuspid

This dissected heart shows the left ventricle and the muscular wall of the septum.  The left side of the heart is much more muscular than the right side of the heart, which is why we seem to feel our heartbeat more on the left side of the


The esophagus is simple to find on diagrams, usually shown as a long tube leading from the mouth to the stomach.   On preserved specimens the esophagus can be challenging to locate.   It is soft tissue that lies next to the trachea (identifiable by the cartilage

Mesenteric Artery

Finding the superior and inferior mesenteric arteries takes patience.  Carefully tease away the connective tissue around the large intestine and find where it attaches to the abdominal aorta.   A = abdominal aorta B = celiac trunk C = superior mesenteric artery D = inferior mesenteric artery