The lymphatic system drains the head and neck of excess interstitial fluid via lymph vessels or capillaries equally into the right lymphatic duct and the thoracic duct. The ear anatomy doesnt finish here.
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Tympanic memebrane ear drum drsherif fahmy 7.
Ear and neck anatomy. The ear drum vibrates which causes the ossicles middle ear bones to vibrate. The tonsils also are lymphatic tissue and help mediate the ingestion of pathogens. The ear page 154 drsherif fahmy 2.
Auricle lobule external auditory meatus ear drum drsherif fahmy 5. The eustachian tube is named after the italian anatomist bartolomeo eustachi who observed that it was a canal that connected the nasopharynx to the middle ear. The eustachian tube is also known as the pharyngotympanic tube or the auditory tube12.
Instant anatomy is a specialised web site for you to learn all about human anatomy of the body with diagrams podcasts and revision questions. The ear anatomy of the neck 1. Auricle lobule of ear external auditory meatus ear drum drsherif fahmy 6.
In addition to the above there are other structures that surround the ear and help its function. Those are the eustachian tube tegmen tympani and the labyrinth. The sound travels down the ear canal and hits the ear drum.
A external ear drsherif fahmy 3. The outer ear captures sound waves. Definition nci for oncology an area of the body generally construed to comprise the base of skull and facial bones sinuses orbits salivary glands oral cavity oropharynx larynx thyroid facial and neck musculature and lymph nodes draining these areas.
A piston action of the ossicles creates a wave in the fluid in the inner ear. Inner ear transforms the sound into nervous impulses via the cochlea and maintains balance via the semicircular canals. Lymph nodes line the cervical spine and neck regions as well as along the face and jaw.
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