The human ear can be divided into 3 parts external middle and internal with each part playing an integral role in the sense of hearing while the internal ear has an added function for equilibrium. The external ear consists of skin with adnexa cartilage and six intrinsic muscles.
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Human ear anatomy parts outer middle inner diagram.
Ear lobe anatomy. The auricle visible part of ear is composed mainly of cartilage covered by skin and consists of the helix antihelix lobule tragus and concha. Since the earlobe does not contain cartilage it has. It has a large amount of blood supply and may assist in keeping the ears warm and maintaining balance due to the reason that the earlobe doesnt consist of cartilage.
Three of the smallest bones of the body are found in the middle ear. That small bony protrusion behind your ear is the mastoid process. The human earlobe lobulus auriculae is composed of tough areolar and adipose connective tissues lacking the firmness and elasticity of the rest of the auricle.
It is also called the pinna latin for wing fin plural pinnae a term that is used more in zoology. The medical term for all three bones together is the middle ear ossicles. The major landmarks of the external ear are depicted in figure 1.
Anatomy of the ear. The human earlobe lobulus auriculae is composed of tough areolar and adipose connective tissues lacking the firmness and elasticity of the rest of the auricle the external structure of the ear. These bones are also known as the hammer anvil and the stirrup.
With the mastoid process location being close to the ear any infection of the ear or blow to this region of the head may damage this vital bone. Auricle anatomy the auricle or auricula is the visible part of the ear that resides outside the head. In some cases the lower lobe is connected to the side of the face.
As one of the 22 skull bones this bone behind the ear is the connection point for major neck and head muscles nerves and tissues. Lobules are normally smooth however they sometimes show creases. The earlobe is made up of strong areolar and adipose tissue and has a natural round flat or triangular shape.
The anatomy of the external ear also known as the auricle or pinna is complex hunter and yotsuyanagi and remarkably inaccurately described by most authors. The external outer and middle ear transmit sound waves to the internal inner ear. They are called the malleus the incus and the stapes.
The space inside the ear drum is called the middle ear.
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