Tympanic Membrane Anatomy - Head and neck Anatomy medical animations / USMLE Step 1

📌 𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:- / drgbhanuprakash
📌𝗝𝗼𝗶𝗻 𝗢𝘂𝗿 𝗧𝗲𝗹𝗲𝗴𝗿𝗮𝗺 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 𝗛𝗲𝗿𝗲:- t.me/bhanuprak...
📌𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲 𝗧𝗼 𝗠𝘆 𝗠𝗮𝗶𝗹𝗶𝗻𝗴 𝗟𝗶𝘀𝘁:- linktr.ee/DrGB...
Tympanic membrane
------------------------------------
The tympanic membrane is a thin membrane that separates the external ear from the middle ear. It acts to transmit sound waves from air in the external auditory canal (EAC) to the ossicles of the middle ear.
Gross anatomy
-------------------------
The tympanic membrane is shaped like a flat cone pointing into the middle and inner ear. It attaches to an incomplete ring of bone along the wall of the EAC, the tympanic annulus. It consists of three layers (from external to internal):
cutaneum (skin)
radiatum circulare (collagen fibres)
mucosum (epithelium)
There are two distinct portions of the membrane:
pars tensa: the tense portion of the membrane is the larger portion and extends from the anterior and posterior malleolar folds at the level of the lateral process of the malleus to the inferior edge of the membrane
pars flaccida: the flaccid portion of the membrane is much smaller and is the portion of the membrane above the anterior and posterior malleolar folds
Quadrant separation
----------------------------------
It is anatomically separated into four quadrants:
anterosuperior
anteroinferior
posteroinferior
posterosuperior
This is important because vessels and nerves (specifically chorda tympani nerve) pass through the superior portion of the membrane. Additionally, the light reflex (cone of light) is specific to the anteroinferior portion of the membrane. Thus, when intervention is performed, the posteroinferior portion of the membrane is chosen.
Innervation
-------------------
The membrane has two distinct nerve supplies based on the different embryological origins of the internal and external surfaces.
external surface
--------------------------
predominantly the auriculotemporal nerve (CN V3)
greater auricular nerve (C2, C3)
some authors report some minor contribution from the auricular branch (Arnold's nerve) of the vagus nerve (CN X)
internal surface: tympanic branch of the glossopharyngeal nerve (CN IX)
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[@doctorbhanuprakash]

📌 𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:- instagram.com/drgbhanuprakash
📌𝗝𝗼𝗶𝗻 𝗢𝘂𝗿 𝗧𝗲𝗹𝗲𝗴𝗿𝗮𝗺 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 𝗛𝗲𝗿𝗲:- t.me/bhanuprakashdr
📌𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲 𝗧𝗼 𝗠𝘆 𝗠𝗮𝗶𝗹𝗶𝗻𝗴 𝗟𝗶𝘀𝘁:- linktr.ee/DrGBhanuprakash

[@ephraimanyamele27]

dr bhanu prakash is a wizard in anatomy. let him teach all the topics for maturity sake.

[@Nihit]

This is seriously good content .
Please keep on posting more

[@doctorbhanuprakash]

thank you

[@cynthiaravi5127]

One year of ENT classes and I understood these concepts only now ✨✨

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thank you for this excellent explanation

[@neverstoplearning4869]

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[@aasiyanadidi8418]

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[@doctorbhanuprakash]

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[@doctorbhanuprakash]

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Absolutely adorable ♥️

[@doctorbhanuprakash]

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[@user-vz6jp4xh2r]

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[@doctorbhanuprakash]

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[@doctorbhanuprakash]

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[@doctorbhanuprakash]

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[@livebiochemistry]

Excellent video with animation

[@doctorbhanuprakash]

Tysm

[@nourhanosama9817]

great explanations

[@doctorbhanuprakash]

Glad it was helpful!

[@Villageswadtadka6]

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I can't express my gratitude for your vedios

[@doctorbhanuprakash]

It's my pleasure

[@aimenshehzad3601]

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awesomest video very use full ( thanks sir )

[@doctorbhanuprakash]

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[@NomanAli-jg8hu]

Damn amazing, marvellous and Comprehensive..

[@doctorbhanuprakash]

Thank u so much

[@NomanAli-jg8hu]

Dr.G.Bhanu Prakash - Usmle , FMGE and Neet PG Thanks to u sir for being here to help us.. GOD bless u always

[@AR-fy2qo]

This is excellent and relevant!

[@doctorbhanuprakash]

🤝🤝🤝

[@tinatieden8499]

I was told my ear problem was the middle layer of my eardrum, this is the only place that showed me what the heck he was talking about. Thanks.

[@gorettimariam72]

This is really a good video. It made me understand easily. Thank you so much. Would you make a video on middle ear please.............

[@prajwalareddy2603]

Thank u so much Sir for such a beautiful explanation

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Far better than online platform 🫡

[@doctorbhanuprakash]

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[@nirmitparikh3853]

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[@doctorbhanuprakash]

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[@doctorbhanuprakash]

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[@55premalorthunathan40]

Thank u sir...good Explanation

[@doctorbhanuprakash]

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Sir plese explain hypersensitivity topic

[@147suryasreekumar3]

Perfectly explained 🎉

[@doctorbhanuprakash]

Tysm

[@user-il1tx7je3h]

Thank you so much

[@doctorbhanuprakash]

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[@laxmi54]

Thank you sir, nicely explained 😊

[@doctorbhanuprakash]

Most welcome

[@subhikshakannan1573]

Nice explanation

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[@azeejmd2192]

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[@rittenbrake1613]

good ! Thanks for clear explanation and the animation !

[@doctorbhanuprakash]

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[@user-cm8xv8wf5b]

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[@devikrishna248]

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[@doctorbhanuprakash]

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[@amirthaam9831]

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[@doctorbhanuprakash]

Glad it was helpful!

[@dr.ahmedal-yousif7398]

Huge thank ❤❤ .

[@doctorbhanuprakash]

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[@billbright1755]

Surfer’s ear is a condition where ear canal bone growth caused by cold seawater exposure can constrict the air passage to tympanic membranous surface. Water and bacteria can become difficult to drain and clean and can reduce the membrane functionality.
Wearing ear plugs while surfing eliminates the formation of this unwanted bone growth.
It can be surgically removed by drilling or chiseling type procedure to return to proper function.

[@helyrbhatiya]

Perfection.....sir ......😇

[@doctorbhanuprakash]

Gross Anatomy of the Middle Ear - Boundaries ,Contents and Functions ( Animation )
th-cam.com/video/unDpXRE_PPA/w-d-xo.html

[@bayukurniawan4001]

Berbie

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Thank you so much ! this is what i was looking for

[@doctorbhanuprakash]

Ur welcome

[@sreelakshmig3508]

Yes me too

[@mahmoudmohammad9477]

it amazing description please keep on, but with advanced details, i mean specialist information

[@sawilliams]

So does the membrane have an airtight seal around the canal?

[@hardikdahima2499]

Thank you..

[@sunnykumarshah6469]

Tympanic membrane 2.5 hole. How get recover. Sir suggestions

[@billbright1755]

Seen here as the tympanic membrane is translucent in its construct positioned deeper located, in middle ear confines, stapes or stirrup ossicle. An arch shaped design for light weight and strength as it rests it’s foot plate upon the oval window membrane entrance to the cochlear systems of vibratory sensory to electrical nerve transmission.
Of course with out vital function of the round window the stapes would be unable to compress cochlear fluid. There may be a slight resonance of the round window flexion somewhat similar of an echo.

[@E.A.03]

Thanks a lot, sir 🙏🏻 🌹

[@ankitatripathi9053]

Very helpful...keep uploading more videos like this

[@doctorbhanuprakash]

Thank you, I will

[@nethmiranasinghe291]

oh Thank you so much simplifying the complicated theories

[@doctorbhanuprakash]

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[@chincha1083]

Its too good

[@dharanisivashanmugam3630]

Great

[@doctor-l2o]

ive a doubt the posterior surface is where the handle of malleus right?

[@shafeemkhan2904]

sir circular fibres are present more in centre i think you told periphery correct me if i am wrong

[@azeejmd2192]

Sir I Am 100% loss 100% hole in my ears how salow this problem sir , no hearing , hearing loss sir please give suggestions please sir

[@saupdates9033]

A big thumbs up 👍👍👍

[@doctorbhanuprakash]

Thank you! Cheers!

[@histocap]

Why youtube suggesting me this video while I'm watching this after taking medication for ASOM today..... Just a coincidence or what????

[@doctorbhanuprakash]

TH-cam uses artificial intelligence

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[@lifeuncut7503]

Please like the video 🥺👍

[@amersandelina2408]

Ear wax

[@maryamrahmannia8502]

Thank you so much

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great explanation

[@ShohsanamRustamova-fz8ec]

Thank you so much

[@doctorbhanuprakash]

You're most welcome