Respiratory | Surface Tension & Surfactant in Alveoli

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Ninja Nerds!
In this lecture Professor Zach Murphy will be teaching you about Surface Tension and Surfactant in Alveoli. We will be outlining the significance of the air-water interaction in the alveoli of the lungs. We talk about how this air-water interaction increases the tension within the alveolar walls, increasing the collapsing pressure of the alveoli. We also discuss Laplace's law and show a diagram of the histology of the alveoli. In addition, we talk about surfactant and its function to naturally act to decrease surface tension. In the presence of a pathology, when surface tension is high and surfactant production is low, this can lead to infant respiratory distress syndrome, which is described in this lecture. We hope you enjoy this lecture and be sure to support us below!
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#ninjanerd #Alveoli #Respiratory

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[@fffranks]

hey man i learning about fetal lung maturity and i was so confused because the textbooks would toss around terms without explaining the mechanism of surfactant, only that it "decreased inner alveolar surface tension". ive gone through my previous textbooks and other websites but your video really shone the spotlight on every single aspect needed to fully understand surfactant and inner alveolar surface tension. massive respect and thanks, keep up the great work.

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I am taking Physiology and was lost with the lecture videos from my prof; I did a search and I see you pop up (your videos are always very helpful). I've never seen anyone teach with such passion, you are gifted and were clearly born to teach! Physiology is amazing to think how everything works so perfectly together. Thank you!!

[@kristinsato]

I've never heard surfactant explained this way, and this made it finally click. Thank you so much for all that you do!

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[@lisandragonzalez2146]

I am working on a presentation for my physiology club in residency and I spent HOURS trying to understand the whole surface tension surfactant interaction, read 2 different physio book chapters, watched like 3 KZbin videos but NO ONE explained it better than you! I am incredibly happy I stumbled into your channel :)

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I would really express my sincerely feelings toward your great helful video , I haven't seen ever such a great video like that , please keep on the good useful work . Thank you so much.

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+Khalid Ali awesome I'm so happy we were able to help!

[@madeoftime6553]

I'm a materials science major taking a class about materials for medical devices and surface interactions. My professor recommended this video. Thanks for taking the extra time to make the vocabulary understandable to someone who has only taken two freshman biology classes.

[@hb6839]

Incredibly grateful for your work. Would appreciate more lectures on pathophysiology! Thank you for doing what you do!

[@juanacosta4328]

You are one of the best teachers I have ever seen! No exaggeration. Your videos are helping me understand the material we are learning in paramedic school. Please keep it up!

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This is the best channel on youtube for anything anatomy/physiology or medicine based BY FAR. Zach you are the man

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I just love the way he teaches! I feel like there isn't any one better than him in teaching these contents!!! I'm a med school student in Brazil - just started- and this is helping me a lot!!!

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I am grateful to have met one of the most exhaustive professor who helps me understand the human body!

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Satisfaction is when the complex topic is cleared as water. Thanks for that providing that amazing feeling

[@Nexus5273]

I was so confused about how the surface tension works and how the surfactant decreases the surface tension. But this video explained all the concepts so perfectly that now I understood it. Thank you so much guys.

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"must've been some dude named Kohn who figured that out" 😂😂

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Your lectures are sumptuously explained, can't get better than this.... Salute to your hard work

[@charlief1831]

Incredible explanation. Thank you! The mechanism of surface tension at the beginning followed the mechanism of surfactant at the end is pure gold.

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You are the first outside of pulmonolgy and Respiratory to give a gold star evaluation. There is hope for better respiratory care.

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+Garrett Hovagimian We plan to keep them coming and would really appreciate the support by sharing our channel!! We love creating content for this channel and every share and like really helps! Thank you for all your kind words Garrett!

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Hey I am really thankful to you for your these lectures!! Your videos are simply amazing nd way much much much much better than any other lectures we had in medical school !! You are doing a great job plus the way you teach with so deep understanding of subject nd topic is commendable !! I've seen many of your lectures nd trust me it has helped me like hell !! P.S. The ratio of understanding the topic from your videos to from books nd by self study is 60:40 ! I really appreciate !

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Sir You make us to understand the subjects crystal clear even when it is not clear with lecture the big bosses (Dr Najeeb and Dr Been ) from whom I learnt physiology during post graduation and am standing in front of students without fear to explain subject

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I really felt like a damsel in distress whenever things came to this concept....you truly saved me. Now it seems a piece of cake Great teach! Keep going !

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absolutely brilliant ...u explained clearly in a single video wat so much of study cannot do thank u so much!

[@heather6864]

Thank you so much for this informative video, It was a real struggle to find a decent explanation of surfactant and its role in the respiratory system online!

[@rafaenauman6218]

Trying to put my whole med school class on to you because you’re a G. I literally modeled my teaching style in our mini-presentations off of the way you simplify, summarize, and use the board.

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Your explanations are so smooth that every concept at the end is bound to get correlated with the other, like we used to prove LHS=RHS in those High School Numerical problems!!!!

[@sharieg.6737]

I have never been so enlighten about this til now. I am so glad i found you! Hahaha thanks a lot, sir!

[@FatemeAmjadi-eq8qz]

How wonderfull you mix all kind of science together and make a perfect lecture to know deep knowledge

[@brunomarinelli3774]

Explicação maravilhosa, muito obrigado

[@arunkumar.s5278]

I am seeing your video for the first time.....I think you know these sentence...''First Impression is the best Impression''.....you really did it.....such a amazing lecture.....i really enjoyed your way of teaching and explanation...keep doing Brudha...

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THIS IS FANTASTIC! thank you so much! Please do not stop making videos!!!!

[@celinenatalie7418]

Medicine is fun because of you Zach. Thankyouuuuu so much

[@xmodmodifier]

I was turned off from the 46 min of the video but it's by far the best explination of this phenomenon. Thanks!

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One of the best videos I've seen. Thank you so much.

[@marzhanberkinbaeva9447]

Explanation 10/10. Thank you so much☺️🤩 He puts all effort on theme and draws amazing!