The EAR Anatomy!
This blog is all about the anatomy of the auditory system - OUTER and MIDDLE EAR! The auditory system is divided into three main sections: Outer ear; Middle ear; Inner ear. Grossly, the outer ear comprises the auricle and ear canal. The middle ear, an air-filled cavity comprises the tympanic membrane, the three tiny ossicles, and the eustachian tube. The inner ear holds the sensory organs of hearing and balance. Most of the structures that make up the ear is present within the major portions of the temporal bone. The structures of the auditory conductive system are the outer and the middle ear, as they serve to conduct the acoustic signal to the cochlea and cochlear branch of the eighth nerve. OUTER EAR: The externally visible aspect of the ear is an odd-shaped appendage called the pinna or auricle, which is usually what most people think of when a person says the word 'ear'. The entire framework of the pinna is composed of cartilage, except that...