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MEDizzy Videosalmost 8 years ago
Quick Ear embryology
In this video, you will learn all you need to learn about ear development in a very precise way. If you are in hurry and want a quick revision, watch this video. TIMELINE: 0:01 Ear regions 0:23 Formation from the pharyngeal pouches 0:52 Development of pinna 1:05 Development of external auditory meatus, Membranous labyrinth and otic vesicle 2:12 Development of semicircular canal and cochlea
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If you get a hole in your tympanic membrane, it’s called a ruptured eardrum. (Your eardrum separates your outer ear from your middle ear.) Infection, trauma, loud sounds or foreign objects in your ears can cause a ruptured eardrum. In most cases, a ruptured eardrum will heal on its own in a few weeks. But sometimes, it requires surgical repair, such as tympanoplasty.Otosclerosis
Otosclerosis is when abnormal bone remodeling occurs in your middle ear. Bone remodeling is a normal lifelong process in which existing bone tissue replaces itself with new bone tissue. When this process doesn’t go as expected, however, it can cause health problems. With otosclerosis, the tiny bones inside of your middle ear (the malleus, incus and stapes) become hardened and stop vibrating. As a result, sound doesn’t travel properly. Surgery is usually necessary to treat otosclerosis.