Special Senses | Cochlea | Spiral Organ of Corti

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pl

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You explain clearly about mechanism of hearing, it is the best lecture I have listened, thank you!

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You deserves more than 1 milion subs , very well explained lecture

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[@marmar-u4t]

Just to clarify on outer hair cells. Just like inner hair cells, outer hair cells also have K+ channels and tip links. When the endolymph moves, both hair cells types move and both cell types have a surge of K+ into the cell (depolarization). HOWEVER, the difference that in outer hair cells the depolarization changes the membrane potential and that causes prestin to relax and elongate the cell. This is STEP 1 of the process. The second step would be the release of ACh from the olivocochlear bundle, which like Ninja Nerd said hyperpolarizes the cell by letting K+ exit the cell. This causes prestin to contract so that the outer hair cell returns to its original shape to be ready for the next cycle. This video was PHENOMENAL as all other videos, but I just wanted to add a side note for those who want to know the chronological order of the outer hair cell function.

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This is so great! I am a graduate Audiology student and this served as a great review for my classes. It’s usually pretty hard to find videos online that go into this much detail. Thank you!

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So great indeed!

[@呂文翔-m1j]

indeed

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So beautifully explained! Love how passionately you teach and how easy you make it for us to understand. Thank you!🙂

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I have been a student of audiology for last 5 years now...currently post grad year 1 this is the 1st time someone actually explained this to me. I am so thankful for your videos ❤

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I truly love the vestibulair system! The human body amazes me every single time!

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When, I started this, I needed an angle of attack too make my point clear. I was born terminally-ill, a S.I.D.S. baby who lived with severe epileptic-seizures with sever asthmat and crippled legs. I was supposed too have died at age 6. I am 50, now, snuck into the USN and USAF, before, I was 30 y/o. No plans, Hi, they call me Little Jim. I'm not perfect or cool. I am alone.

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[@mohamedkoraichi8927]

so.... my promotor made me watch this video in order to understand the inner hearing complex and the functioning of the organ of corti. I have to say ... I'm watching this @ 4 in the morning and it is the best explanation I've heard ! you're a lifesaver !

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[@Gabriel-yc1kx]

At 04:17 In the scala media, the structure responsible for secreting K+ ions is the stria vascularis (not medullaris)

[@hannahburkert8742]

Thanks for this great video! Just wanted to say that there is NO kinocilium in the Cochlea, but only in the vestibular organ. The kinocilium disappears after maturation and only stereocilia are left. Anyways, you do such an amazing job! Thank you so much

[@ghazalamfarrukh1769]

Yes macula and Stria have kinociliym BUT guyton also states their presence in organ of corti too

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This video is a big help. Finally understood the cochlear structure and mechanism of hearing clearly. Its like peace in my mind finally understanding the structure and mechanism. Literally nobody explained this topic like this the way you did.Big big thank you sir.

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The best best doc in this world actually we don't know how to thank you and even its not enough 🙏 god bless u

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Best lectures ever on ear in whole KZbin....thanks sir

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i am an audiologist from India (Odisha) and this is the he best explanation for cochlear potential i ever heard . best of luck

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GRATITUDE 🦋 This video TRULY helped me innerstand an earache I was having and what I should do in the future to maintain Healthy and balanced hearing. Thank you so much!!

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could you please explain your case

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oww zack you are awesome When I was in high school, I had a teacher like you who taught biology, but after that I did not find a wonderful teacher, especially for medical courses. but now İ am happy that i find you ❤thanks a lot for your perfect lecture ❤

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Quality of teaching: top notch. Love it.

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The best lecture on Cochlea there will ever be.

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Finally I understand Ear. Thank you so much Ninja nerd. You guys are the best.

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I cannot explain in words how thankful i am to you for making this video... you are a great teacher👍 stay blessed

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Learning medicine is so much fun right now with your channel, thanks Professor Zach!!

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Thank you! I am in my Masters of Music Education program & one of the units discusses how the brain perceives sound. I was lost--and now I am found!

[@leedr2121]

Wow! This felt like going down the Cochlea rabbit hole ... great presentation. Thank you!

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I study medicine in Germany - one video of yours is better than 5 lectures of my professor - loving - enjoying - celebrating medicine!

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You are amazing. This is 100 times better then how my teacher explained it.. Thank you!

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Man I'm just discovering this channel and you saved me for this one chapter ! You look so passionate and you explain really clearly, that's a real pleasure to listen to, I didn't even feel like it was a 40min video! Anyway, Hello from France!

[@lelanishnianidze3285]

I really love your videos, you`re amazing one thing I want to say about this video is that, loud voice does not cause more of the basilar membrane to vibrate, but it actually increases the rate of basilar fibers vibration

[@celestel8511]

Amazing! Thank you for being so knowledgable on this topic and clearly explaining the anatomy and physiology of the inner ear (sound pathway)! I'm gonna rock my final!

[@DomsFillums]

Thank you so much for this masterclass. It consolidated and greatly improved upon what I've been slogging through for the last two weeks on my home study degree.

[@rosemarieward2912]

You are absolutely incredible at explaining!!! WOW !! Thank you so much. Please do not stop making these videos.

[@halpittaway111]

That was amazing. I do not know how you keep all that in your head… But thank you very much.

[@gitengeorge2424]

That black cochlea drawing is awesome