Descriptive study of goat external and middle ear through computed tomography and endoscopic evaluation, compared with the human ear

•The goat ear anatomy model is highly accessible in developing countries.•The goat's external auditory canal is tortuous and long.•The goat bone canal has a bony prominence in its lower portion.•It is necessary to drill the bone prominence to visualize the entire tympanic membrane.•The goat model allows training with an endoscope and otological surgery steps.