Here you will learn about the external ear explained in detail. It locates its components, discussing the function of each briefly. The blood supply, nerve supply and lymphatic drainage has also been specified. 0:52 External auditory/acoustic meatus 1:35 Elastic cartilage 5:14 Auricle, Pinna 5:55 Helix 7:20 Concha 8:00 Lobule 9:08 Blood supply and Nerve supply