The horse's heart

The heart and great vessels of the horse from the right, on a 1922 lithograph (McFadyean, Plate XXIV): thirty-nine structures in Latin – the posterior, common and anterior aorta, five intercostal arteries, the bronchial, broncho-oesophageal and oesophageal arteries, the azygos vein, both venae…

A real anatomical diagram. Hover any part to see its name, click to answer the quiz question.