Anatomy External Ear

The outer ear consists of three parts. 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.

External Ear Malformation An Overview Sciencedirect Topics

The external ear can be divided functionally and structurally into two parts.

Anatomy external ear. Ear anatomy outer ear. 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. Ears also help to maintain balance.

Ear canal the ear canal starts at the outer ear and ends at the ear drum. The first is an outer funnel like structure called the auricle or pinna. 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 ear is made up of three parts. The ear has outer middle and inner parts. This article will focus on the anatomy of the external ear its structure neurovasculature and its clinical correlations.

The canal is approximately an inch in length. The auricle or pinna and the external acoustic meatus which ends at the tympanic membrane. Other articles where external ear is discussed.

It gathers sound energy and focuses it on the eardrum tympanic membrane. The skin of the ear canal is very sensitive to pain and pressure. The ear also functions in the sense of equilibrium.

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. The outer middle and inner ear.

Ear Canal Wikipedia