Anatomy External Ear

The most striking differences between the human ear and the ears of other mammals are in the structure of the outermost part the auricle. The outer ear consists of three parts.

The External Ear Anthropometry Biometrics Anatomy

The ear has outer middle and inner parts.

Anatomy external ear. The outer ear external ear or auris externa is the external portion of the ear which consists of the auricle also pinna and the ear canal. It gathers sound energy and focuses it on the eardrum tympanic membrane. The external ear can be divided functionally and structurally into two parts.

This article will focus on the anatomy of the external ear its structure neurovasculature and its clinical correlations. The skin of the ear canal is very sensitive to pain and pressure. Ears also help to maintain balance.

Other articles where external ear is discussed. The outer middle and inner ear. Ear canal the ear canal starts at the outer ear and ends at the ear drum.

The ear is made up of three parts. All three parts of the ear are important for detecting sound by working together to move sound from the outer part through the middle and into the inner part of the ear. The canal is approximately an inch in length.

Under the skin the outer one third of the canal is cartilage and inner two thirds is bone. In humans the auricle is an almost rudimentary usually immobile shell that lies close to the side of the head. Ear anatomy outer ear.

The auricle or pinna and the external acoustic meatus which ends at the tympanic membrane. The first is an outer funnel like structure called the auricle or pinna. The ear also functions in the sense of equilibrium.

The External Ear Structure Function Innervation