The horse's neck from the side

The left side of the horse's neck from the ear to the shoulder with the skin taken away, on a 1922 lithograph (McFadyean, Plate XXVIII): thirty-nine structures in Latin – the trachea and the oesophagus, the common carotid with the vagosympathetic cord and the recurrent laryngeal nerve, both…

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