Special Senses | Cochlea | Spiral Organ of Corti

Ninja Nerds!

During this lecture Professor Zach Murphy will be teaching you about the cochlea, and the spiral organ of corti. We hope you enjoy this lecture and be sure to support us below!

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[qirongdu]

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

[alinstoleru]

Man, this is like the best channel in the entire world. I don't know how to thank you enough for the effort you put into making this amazing videos. You're the real mvp man!

[SS-semb]

I have never watched a video where i don't lose interest easily in whatever i'm watching whatever the content is, but man your videos pass by so quickly and i actually enjoy all of it wanting to learn more. Thank you so very much for your hard work it's greatly appreciated

[morgan]

best teacher ever. I should be paying you instead of my schools tuition.

[LiederGern]

Wow, man you are the best teacher ever. You don’t hide your wonder of the mechanism, and I think that’s why you explain it so well. If only all anatomy/physiology teachers could be more like you!

[aguchinemerem]

I'm a final year medical student and I discovered this channel just recently to help my knowledge of internal medicine. You are the best, I wish I had known you during my 3rd year when I did neuroanatomy and neurophysiology. You're so good at teaching!

[jennifers]

We seriously need more teachers like you. I have had multiple anatomy teachers over the years. Every single one of them have fit a description. I feel, they have all used big complicated nomenclature and terms JUST to confuse us. This semester, I am writing down all of the confusing phrases and I plan to submit it with my exit survey, to show how awful the class was. Thank goodness for online classes and transcription programs, I am able to capture the actual word order. It is maddening. You Sir, have made learning about this topic EXTREMELY interesting and understandable. I love your teaching style; the repetitive use of the terms, the conversational way you explain the structures and nomenclature. I look forward to all of your videos to help me through these classes. Thank you for creating.

[parinithamaben]

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

[rauminah.g]

i wanted to say a lot out of gratitude.. But all those sums up at "thank u so much from the core of my heart"

[Yasmin-qhig]

You’re saving my corona online semester hahaha 😂🙌🏻

[AndJusticeForAll...]

Lovin it. Just had a doctor mess up my Eustachian tubes and now I have PET. It's amazing how interesting these different parts of the ear are. I love it

[smokyhs]

Dr Zach is golden, he should be preserved at all costs, what a highly knowledgeable person with a fine ability to transduce complex physiology into simple easy to understand parts.

[missshella]

Am very grateful to God for you.I mean, u've made my medical school journey very easy than I would have ever imagined.U explain every concept in a way that is easy to understand and in a short duration than my lecturer.Niw I don't have to stress about reading the voluminous Guyton, thanks to u🙏🙏🙏The world needs more people like u...Much love from Kenya❤❤❤❤

[jillianklaus]

We cannot thank you enough!! You made it so easy to understand and LEFT NO CRUMBS!! I was following along, making my own diagrams and at the end when it zoomed out to the whole board, I was like "woah... i understand all of that"

[ahmetbugraaslan]

How can we appreciate this man. What did we do to deserve this guy. He is god's gift to the medical students for all difficulty of Medicine

[YingTing]

i was so confused by my school's lectures and this was such a lifesaver. thank you for the clear explanations of the concepts!

[yashbhadauriya]

I like the way you use different color pens just boosts up our concentration and gives an artistic touch to your teachings

[tonyzachariah]

I usually don't comment on videos, but I cant stop from appreciating how much I love your method of teaching.
I can see your passion and finally those diagrams are really next level!!
btw thanks a lot

[nishidhsinhjadav]

I am fortunate to have a teacher like uhh.
The topic which i was skipping several times in previous years became the one of my favorite topic at
It is only because of you....
Thanks a lot for explaining us in such a beautiful way....
U are

[marmar-ut]

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.