Good quality enlarged biological PVC human ear model for teaching model

About 5 times life size. Pinna, external ear canal, tympanum, auditory ossicle, Eustachian tube, vestibular apparatus, and cochlea are shown
in exquisite detail along with neural, osseous, and vascular structures. The middle and inner ear components are removable for individual
examination. Mounted on a durable polymer base. Numbered key is included.
Size (cm): 28x18x18.