Ear and Eustachian tube

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Difference between Ear and Eustachian tube

Ear vs. Eustachian tube

An ear is the organ that enables hearing and (in mammals) body balance using the vestibular system. The Eustachian tube, also called the auditory tube or pharyngotympanic tube, is a tube that links the nasopharynx to the middle ear, of which it is also a part.

Barotrauma

Barotrauma is physical damage to body tissues caused by a difference in pressure between a gas space inside, or in contact with, the body and the surrounding gas or liquid.

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Bone

A bone is a rigid organ that constitutes part of the skeleton in most vertebrate animals.

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Cartilage

Cartilage is a resilient and smooth type of connective tissue.

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Conductive hearing loss

Conductive hearing loss (CHL) occurs when there is a problem transferring sound waves anywhere along the pathway through the outer ear, tympanic membrane (eardrum), or middle ear (ossicles).

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Ear canal

The ear canal (external acoustic meatus, external auditory meatus, EAM) is a pathway running from the outer ear to the middle ear.

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Eardrum

In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear.

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Embryo

An embryo is the initial stage of development for a multicellular organism.

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Human embryonic development

Human embryonic development or human embryogenesis is the development and formation of the human embryo.

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Middle ear

The middle ear is the portion of the ear medial to the eardrum, and distal to the oval window of the cochlea (of the inner ear).

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Ossicles

The ossicles (also called auditory ossicles) are three bones in either middle ear that are among the smallest bones in the human body.

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Otitis

Otitis is a general term for inflammation in ear or ear infection, inner ear infection, middle ear infection of the ear, in both humans and other animals.

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Otitis media

Otitis media is a group of inflammatory diseases of the middle ear.

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Pharyngeal pouch (embryology)

In the embryonic development of vertebrates, pharyngeal pouches form on the endodermal side between the pharyngeal arches.

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Pharynx

The pharynx (pharynges) is the part of the throat behind the mouth and nasal cavity, and above the esophagus and trachea (the tubes going down to the stomach and the lungs respectively).

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Tensor tympani muscle

The tensor tympani is a muscle within the middle ear, located in the bony canal above the bony part of the auditory tube, and connects to the malleus bone.

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Tympanic cavity

The tympanic cavity is a small cavity surrounding the bones of the middle ear.

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