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Eustachian tube

Index Eustachian tube

The Eustachian tube, also known as the auditory tube or pharyngotympanic tube, is a tube that links the nasopharynx to the middle ear. [1]

56 relations: Adenoid, Barotrauma, Bartolomeo Eustachi, Baylor College of Medicine, Bone, Cartilage, Cilium, Conductive hearing loss, Ear, Ear canal, Ear clearing, Eardrum, Embryogenesis, Endodermic evagination, Equidae, Greater wing of sphenoid bone, Guttural pouch, Hyoid bone, Hypertrophy, Hyrax, Inferior nasal concha, Inflammation, Levator veli palatini, Mandibular nerve, Michigan Medicine, Middle ear, Mucous gland, Mucous membrane, Myringotomy, Nosebleed, Ossicles, Otitis, Otitis media, Oxymetazoline, Patulous Eustachian tube, Petrous part of the temporal bone, Pharyngeal pouch (embryology), Pharynx, Phenylephrine, Pseudoephedrine, Pseudostratified columnar epithelium, Pterygoid processes of the sphenoid, Salpingopharyngeus muscle, Scuba diving, Sinusitis, Soft palate, Squamous part of temporal bone, Temporal bone, Tensor tympani muscle, Tensor veli palatini muscle, ..., Torus tubarius, Transverse plane, Trigeminal nerve, Tympanic cavity, Tympanostomy tube, Vagus nerve. Expand index (6 more) »

Adenoid

The adenoid, also known as a pharyngeal tonsil or nasopharyngeal tonsil, is the superior-most of the tonsils.

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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 fluid.

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Bartolomeo Eustachi

Bartolomeo Eustachi (1500 or 1514 – 27 August 1574), also known by his Latin name of Eustachius (pronounced), was one of the founders of the science of human anatomy.

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Baylor College of Medicine

Baylor College of Medicine (BCM), located in the Texas Medical Center in Houston, Texas, US, is a health sciences university.

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Bone

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

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Cartilage

Cartilage is a resilient and smooth elastic tissue, a rubber-like padding that covers and protects the ends of long bones at the joints, and is a structural component of the rib cage, the ear, the nose, the bronchial tubes, the intervertebral discs, and many other body components.

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Cilium

A cilium (the plural is cilia) is an organelle found in eukaryotic cells.

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Conductive hearing loss

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

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Ear

The ear is the organ of hearing and, in mammals, balance.

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Ear canal

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

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Ear clearing

Ear clearing or clearing the ears or equalization is any of various maneuvers to equalize the pressure in the middle ear with the outside pressure, by letting air enter along the Eustachian tubes, as this does not always happen automatically when the pressure in the middle ear is lower than the outside pressure.

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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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Embryogenesis

Embryogenesis is the process by which the embryo forms and develops.

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Endodermic evagination

Endodermic evagination relates to the inner germ layers of cells of the very early embryo, from which is formed the lining of the digestive tract, of other internal organs, and of certain glands, implies the extension of a layer of body tissue to form a pouch, or the turning inside out (protrusion) of some body part or organ from its basic position, for example the para-nasal sinuses are believed to be formed in the fetus by 'ballooning' of the developing nasal canal, and the prostate or Skene's gland formed out of evaginations of the urethra.

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Equidae

Equidae (sometimes known as the horse family) is the taxonomic family of horses and related animals, including the extant horses, donkeys, and zebras, and many other species known only from fossils.

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Greater wing of sphenoid bone

The greater wing of the sphenoid bone, or alisphenoid, is a bony process of the sphenoid bone; there is one on each side, extending from the side of the body of the sphenoid and curving upward, laterally, and backward.

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Guttural pouch

Guttural pouches are large, auditory-tube diverticula that contain between 300 and 600 ml of air.

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Hyoid bone

The hyoid bone (lingual bone or tongue-bone) is a horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage.

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Hypertrophy

Hypertrophy (from Greek ὑπέρ "excess" + τροφή "nourishment") is the increase in the volume of an organ or tissue due to the enlargement of its component cells.

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Hyrax

Hyraxes (from the Greek ὕραξ, hýrax, "shrewmouse"), also called dassies, are small, thickset, herbivorous mammals in the order Hyracoidea.

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Inferior nasal concha

The inferior nasal concha (inferior turbinated bone or inferior turbinal/turbinate) is one of the turbinates in the nose.

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Inflammation

Inflammation (from inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, and is a protective response involving immune cells, blood vessels, and molecular mediators.

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Levator veli palatini

The levator veli palatini is the elevator muscle of the soft palate in the human body.

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Mandibular nerve

The mandibular nerve (V3) is the largest of the three divisions of the trigeminal nerve, the fifth cranial nerve (CN V).

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Michigan Medicine

Michigan Medicine, formerly the University of Michigan Health System (UMHS), is the wholly owned academic medical center of the University of Michigan in Ann Arbor.

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Middle ear

The middle ear is the portion of the ear internal to the eardrum, and external to the oval window of the inner ear.

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Mucous gland

Mucous gland, also known as muciparous glands, are found in several different parts of the body, and they typically stain lighter than serous glands during standard histological preparation.

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Mucous membrane

A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs.

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Myringotomy

A myringotomy, sometimes called by other names, is a surgical procedure in which a tiny incision is created in the eardrum (tympanic membrane) to relieve pressure caused by excessive buildup of fluid, or to drain pus from the middle ear.

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Nosebleed

A nosebleed, also known as epistaxis, is the common occurrence of bleeding from the nose.

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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 or 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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Oxymetazoline

Oxymetazoline is a selective α1 adrenergic receptor agonist and α2 adrenergic receptor partial agonist.

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Patulous Eustachian tube

Patulous Eustachian tube, also known as patent Eustachian tube or PET, is the name of a physical disorder where the Eustachian tube, which is normally closed, instead stays intermittently open.

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Petrous part of the temporal bone

The petrous part of the temporal bone is pyramid-shaped and is wedged in at the base of the skull between the sphenoid and occipital bones.

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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 (plural: pharynges) is the part of the throat that is behind the mouth and nasal cavity and above the esophagus and the larynx, or the tubes going down to the stomach and the lungs.

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Phenylephrine

Phenylephrine is a selective α1-adrenergic receptor agonist of the phenethylamine class used primarily as a decongestant, as an agent to dilate the pupil, to increase blood pressure, and to relieve hemorrhoids.

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Pseudoephedrine

Pseudoephedrine (PSE) is a sympathomimetic drug of the phenethylamine and amphetamine chemical classes.

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Pseudostratified columnar epithelium

A pseudostratified epithelium is a type of epithelium that, though comprising only a single layer of cells, has its cell nuclei positioned in a manner suggestive of stratified epithelia.

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Pterygoid processes of the sphenoid

The pterygoid processes of the sphenoid (from Greek pteryx, pterygos, "wing"), one on either side, descend perpendicularly from the regions where the body and the greater wings of the sphenoid bone unite.

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Salpingopharyngeus muscle

The salpingopharyngeus muscle arises from the superior border of the medial cartilage of the pharyngotympanic tube (Eustachian tube), in the nasal cavity, making the posterior welt of the torus tubarius; it passes downward and blends with the posterior fasciculus of the palatopharyngeus muscle.

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Scuba diving

Scuba diving is a mode of underwater diving where the diver uses a self-contained underwater breathing apparatus (scuba) which is completely independent of surface supply, to breathe underwater.

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Sinusitis

Sinusitis, also known as a sinus infection or rhinosinusitis, is inflammation of the sinuses resulting in symptoms.

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Soft palate

The soft palate (also known as the velum or muscular palate) is, in mammals, the soft tissue constituting the back of the roof of the mouth.

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Squamous part of temporal bone

The squamous part of temporal bone, or temporal squama, forms the front and upper part of the temporal bone, and is scale-like, thin, and translucent.

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Temporal bone

The temporal bones are situated at the sides and base of the skull, and lateral to the temporal lobes of the cerebral cortex.

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Tensor tympani muscle

The tensor tympani is a muscle within the ear, located in the bony canal above the osseous portion of the auditory tube.

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Tensor veli palatini muscle

The tensor veli palatini muscle (tensor palati or tensor muscle of the velum palatinum) is a broad, thin, ribbon-like muscle in the head that tenses the soft palate.

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Torus tubarius

The base of the cartilaginous portion of the auditory tube (eustachian tube, pharyngotympanic tube) lies directly under the mucous membrane of the nasal part of the pharynx, where it forms an elevation, the torus tubarius, the torus of the auditory tube, or cushion, behind the pharyngeal orifice of the tube.

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Transverse plane

The transverse plane (also called the horizontal plane, axial plane, or transaxial plane) is an imaginary plane that divides the body into superior and inferior parts.

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Trigeminal nerve

The trigeminal nerve (the fifth cranial nerve, or simply CN V) is a nerve responsible for sensation in the face and motor functions such as biting and chewing; it is the largest of the cranial nerves.

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Tympanic cavity

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

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Tympanostomy tube

Tympanostomy tube, also known as a grommet or myringotomy tube, is a small tube inserted into the eardrum in order to keep the middle ear aerated for a prolonged period of time, and to prevent the accumulation of fluid in the middle ear.

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Vagus nerve

The vagus nerve, historically cited as the pneumogastric nerve, is the tenth cranial nerve or CN X, and interfaces with parasympathetic control of the heart, lungs, and digestive tract.

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Redirects here:

Auditory tube, Auditory tubes, Bony part, Bony part of pharyngotympanic tube, Bony parts, Cartilage of pharyngotympanic tube, Cartilage of the pharyngotympanic tube, Cartilaginous portion, Eustachean tube, Eustachian Tube, Eustachian Tubes, Eustachian tube dysfunction, Eustachian tube opening, Eustachian tubes, Eustacian, Eustacian tube, Eustation tube, Middle ear inflation, Osseous portion, Otovent, Pars ossea, Pars ossea tubae auditivae, Pharyngeal opening of auditory tube, Pharyngeal opening of the auditory tube, Pharyngeal openings of auditory tubes, Pharyngeal openings of the auditory tubes, Pharyngeal ostium, Pharyngotympanic tube, Pharyngotympanic tubes, Tuba auditiva, Tuba auditivea, Tuba auditoria, Tubarostium.

References

[1] https://en.wikipedia.org/wiki/Eustachian_tube

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