Ear Nose and Throat chart shows the general anatomy of the region. Colorful detailed illustrations of anatomic structures are fully labeled.illustrations include: normal anatomy of the outer, middle and inner ear septum of nose lateral wall of nose normal anatomy of the sinus cavities and their location normal anatomy of the throat detail of the mouth area posterior view of the larynx and detail of inspiration and phonationMade in the USA.Available in the following versions : 20" x 26" heavy paper laminated with grommets at top corners ISBN 9781587791154 20" x 26" heavy paper ISBN 9781587791161