Sheep Heart Anatomy and Dissection

This video tutorial demonstrates the identification of external anatomical features of a sheep heart. It begins with preparation steps, including gathering necessary tools and cleaning the heart. The tutorial then guides viewers through identifying key features on both the anterior and posterior sides of the heart, such as the ventricles, atria, and various sulci. The video also highlights the orientation of the heart and the major blood vessels connected to it.

What is the first thing you should do before starting the sheep heart dissection?

• Prepare your gloves, dissecting kit, and tray

• Rinse the heart with water

• Identify the pericardial sac

• Cut open the bag containing the heart

What should you do with the bag after removing the sheep heart?

• Use it to store the heart again

• Discard it in the trash

• Rinse it with water

• Keep it for later use

What is the purpose of rinsing the heart thoroughly with water?

• To clean the heart for better visibility

• To soften the heart tissue

• To remove the pericardial sac

• To remove as much preservative as possible

What is the thin transparent layer on the surface of the heart called?

• Coronary sulcus

• Interventricular sulcus

• Visceral pericardium

• Pericardial sac

What is the function of the adipose tissue found along the paths of various blood vessels?

• To insulate the heart

• To store energy

• To protect the heart from damage

• To support the visceral pericardium

Which anatomical features are located between the atria and ventricles on both sides?

• Pulmonary trunk

• Coronary sulcus

• Brachiocephalic trunk

• Interventricular sulcus

What is the anterior interventricular sulcus filled with?

• Blood

• Muscle tissue

• Fat

• Connective tissue

Which vessel comes from the right ventricle?

• Ascending aorta

• Pulmonary trunk

• Brachiocephalic trunk

• Superior vena cava

When the heart is turned over with the posterior side facing up, which side is the left ventricle on?

• On your right

• On your left

• In the center

• Not visible

Which vessels lead to the right atrium?

• Superior and inferior vena cava

• Pulmonary trunk and ascending aorta

• Coronary sulcus and interventricular sulcus

• Brachiocephalic trunk and pulmonary trunk