The structure of the heart in meat animals.

• AVC = anterior vena cava
• BT = brachiocephalic trunk
• BV = bicuspid or mitral valve
• CC = common carotid arteries
• LBA = left brachial artery
• PA = pulmonary artery
• PV = pulmonary vein
• PVC = posterior vena cava
• RBA = right brachial artery
• SL = semilunar valve
• TV = tricuspid valve