Urine Concentration and Dilution | Countercurrent Multiplication
#urine #urinetest #drnajeeb #medicines #pharmacology #medicaleducation #drnajeeblectures
Urine Concentration and Dilution | Countercurrent Multiplication
Like this video? Sign up now on our website at www.DrNajeebLectures.com
to access 800+ Exclusive videos on Basic Medical Sciences & Clinical Medicine. These are premium videos (NOT FROM KZread). All these videos come with English subtitles & download options. Sign up now! Get Lifetime Access for a one-time payment of $99 ONLY!
Sign up now on our website at members.drnajeeblectures.com/...
---------------------------------------------------------------------------------------------------------------------------
Why sign up for premium membership? Here's why!
Membership Features for premium website members.
1. More than 800+ Medical Lectures.
2. Basic Medical Sciences & Clinical Medicine.
3. Mobile-friendly interface with android and iOS apps.
4. English subtitles and new videos every week.
5. Download option for offline video playback.
6. Fanatic customer support and that's 24/7.
7. Fast video playback option to learn faster.
8. Trusted by over 2M+ students in 190 countries.
---------------------------------------------------------------------------------------------------------------------------
(0:00-14:46)
Concepts of Hypo- & Hyperosmolarity; understanding the purpose behind urine concentration and dilution by the kidney.
(14:47-28:35)
Mechanisms of concentration and dilution of urine:
1-Medullary Interstitial Hyperosmolarity (MIH) [Cortico-Papillary Osmolar Gradient]; outline of its mechanism of production and maintenance.
2-Role of ADH as the second mechanism of concentration & dilution of urine.
(28:36-54:50)
Mechanisms of concentration and dilution of urine continued:
1-Development of Medullary Interstitial Hyperosmolarity (MIH); Counter Current Multiplication Mechanism.
(54:51-1:03:26)
Development of MIH continued; Urea Recycling in Renal Medulla.
(1:03:27-1:10:47)
Maintenance of Medullary Interstitial Hyperosmolarity (MIH); Vasa Recta's Counter Current Exchange Mechanism/System.
Comparison of Counter Current Multiplier & Counter Current Exchanger System.
(1:10:50-1:28:55)
Mechanisms of concentration & dilution of urine continued:
2-Role of Anti Diuretic Hormone (ADH); enhancing water permeability in last part of nephron.
(1:28:56-1:47:40)
Recapping the concept of concentration & dilution of urine with the help of an example of a person's thirst and water intake in differing environments; emphasis on effects of ADH on the nephron.
(1:47:41-1:57:57)
Explanation of "Ratio of Tubular Fluid Osmolarity (TF) to Plasma Osmolarity (Posm)" at different points along the nephron; emphasis on the role of ADH.
---------------------------------------------------------------------------------------------------------------------------
Join this channel to get access to perks:
Sign up now on our website at members.drnajeeblectures.com/...
/ @doctornajeeb
Follow us on Facebook :- / drnajeeb
Follow us on Instagram :- / drnajeeblectures
Пікірлер: 293
Please note this is just a teaser video. Complete lecture is available in member's area at www.DrNajeebLectures.com. Access over 800+ videos on Basic Medical Sciences & Clinical Medicine + New videos every week with download option. ──────────────── WHY SIGN UP FOR MEMBERSHIP? ──────────────── ► 800+ Medical Lectures. ► Basic Medical Sciences. ► Clinical Medicine. ► New videos every week in HD. ► Download videos for offline access. ► Fast video playback (0.5x - 2x) ► Watch videos on any device. ► Fanatic customer support. ► Trusted by 1 million students. Learn more at www.DrNajeebLectures.com
@satyanarayanapandranki3883
5 жыл бұрын
Dr. Najeeb Lectures
@satishgilhotra421
5 жыл бұрын
Ultimate
@satishgilhotra421
5 жыл бұрын
Easy way of explaining
@asifkhanpathan41
4 жыл бұрын
I am already member sir
@asifkhanpathan41
4 жыл бұрын
Already member
I wish we are taught same way in medical colleges too. Best teaching skills sir. I think board and marker teaching is far better than this multimedia slides reading method...excellent lecture 😃
@fauzyaamissah3389
4 жыл бұрын
I tell you 😂😂😂
@DoctorNajeeb
3 жыл бұрын
Thank you for your love and support. :) May you be blessed with knowledge, prosperity, love and happiness, always. We wish you success and happiness in every walk of life and good luck in your future endeavors. Regards, Dr. Najeeb Team
@pk-xt8km
Жыл бұрын
Well said , it reflect the intensity of engagement , emotion , creativity, spontaneity , up to the situation .....
@tseringdolker9827
Жыл бұрын
@@DoctorNajeeb can c VV qq
@anjalikrishna9207
Жыл бұрын
True
Sir,without you I couldn’t become a medical student....and world will take many years to produce such a great teacher like you......thanks to being there for us....
😂 no one ever appreciated the camera man hr manages it so well, really want to thank him too🥰 thank you so much Dr najeeb sir
@DoctorNajeeb
2 жыл бұрын
Thank you so much. Stay blessed ❤️❤️
In this lockdown era where most of the offline institutions are closed you came as a blessing in my life sir 😭 literally watched 9 videos but still couldn't gain full control over this topic ...but after watching this 120 min video ... I'm much confident of this topic...thank u sir 🙏🏼😭
@DoctorNajeeb
2 жыл бұрын
It really pushes me to work hard and I'll try my best to make lectures more meaningful and easy to understand for my beloved students. Thank you so much for your love and support. ❤️
You have saved many students carrier........i m one of them...🤗🤗
You explained this in one 2 hour lecture better than my instructor did in 3 class periods. I am so glad I found your page.
You’re God’s gift to medical students sir. I hope you know how much respect and grattitude we feel for you. Greetings from Kosovo❤️
@DoctorNajeeb
3 жыл бұрын
Thank you for your love and support. :) May you be blessed with knowledge, prosperity, love and happiness, always. We wish you success and happiness in every walk of life and good luck in your future endeavors. Regards, Dr. Najeeb Team
Dear sir... with a heart full of respect I must say that u are an epitome of knowledge....and I feel blessed to have come across you and your lectures....hats off to you sir...regards...😊
We usually have 1 hour classes at our college and trust me we get tired listening the whole class there. I dont know how but this 2 hours video never felt that way. What a great teacher you are sir!! Fallen In love with the way you teach. A big thank you❤❤
@DoctorNajeeb
10 ай бұрын
Thank you so much for your love. Keep watching !!!
Sir you are not a teacher of physiology..you are such a god of physiology 🔥🔥🔥🔥🙏🙏🙏
@DoctorNajeeb
2 жыл бұрын
Thank you for your feedback. Keep supporting the hard work.
@ravaliyavajashi6682
2 жыл бұрын
@@DoctorNajeeb thank you dear sir👌👌
Sir... I bow down on ur feet.... If I say I have seen God it is you... The way u explain and give example from day to day life and explaining is very down to earth manner... This work can only be done by Dr Sayd Nazeeb Sir❤🧡💛💚💙💜🤍🤎.... I have completed this video in 3 days by making notes.my teacher gave me an assignment on this topic but i have no idea even what is counter current I don't even know.... But i promice my self that i will see ur video first then I'll write my assignment and it took me 3 days.. Then I read tortora.... By mingling both notes.. I write in fair copy and I submitted LATE.. but i m very happy. I cant estimate my happiness.. Truely speaking .if I would have power of God I will enhance u to live more then 1000 years.... Take my lifetime too. Last but not the least... Say hii to that boy azim😂. He was giving a constipation smile but he is good boy 😁😆.i wish I could sit there and hear ur lecs... But anyway I'll meet u for sure in Pakistan 🇵🇰 1 day for sure... I am grateful for your existence. I love ❤😘 you sir.m not a medical student but a biochemist.
Erudite explanation. Love from Bhutan. I am a vet Doctor. Thank you for making it crystal clear. Allah bless you always 🙏🙏🙏
1:10:12 difference between contercurrent multiplier and counter current exchanger system.
Sir my daughter is studying in 12 th standard. Your lectures are very helpful to clear the concepts. Thank you so much🙏
I have read this topic 3times from book i didn't understand this topic. But from this vid i have understand this topic first time. Thank you so much sir❤
@DoctorNajeeb
2 жыл бұрын
Glad you found my lectures easy to understand! Stay tuned ❤️
the way camera kept zooming at that guy lol
@---nr1mb
Жыл бұрын
🤣🤣
I can’t thank you enough sir for making counter-current mechanism this easy and convenient. I am going to appear in my 1st professional examination and understood this for the first time. Thank you again
Surely I didn't waste my 1:57 minutes .. it's blessings to have teacher like u✝️❤️ GOD bless you
I love your explanations! You make school a lot easier! Wish you posted all videos on youtube!
SIR YOU HAVE CONTRIBUTED A LOT TO MY MEDICAL SCIENCE KNOWLEDGE. THANK YOU SIR AND LOTS OF LOVE FROM ME .
His way of teaching is dressed with consummate elegance. Madly in love with the beauty with which our body works ,only because of your sir. Thankyou.
I understood this mechanism for the first time in my life.. thank you so much sir..take lots of love ❤️
@DoctorNajeeb
2 жыл бұрын
You are most welcome. Hope this helped you. Stay blessed. ✨✨
I love you dr Najeeb!!! No one has ever helped me in understanding my Physio more than you. I respect your talent and passion in teaching. I hope that the Lord will bless you so much because you are such a blessing to all of us students! 💝💓🙏🏽
@DoctorNajeeb
2 жыл бұрын
This truly motivates me to work hard and do the best I can for my dear students.❤️
@revanthganesh3808
2 жыл бұрын
@@DoctorNajeeb ww
@revanthganesh3808
2 жыл бұрын
@@DoctorNajeeb 🌂
Tomorrow is my Physiology 1st professional exam.Now I am here.I have watched the video before as well.But I have came here for my revision.Thank you so much sir.
@Anujrao1820
2 жыл бұрын
Hi
@Anujrao1820
2 жыл бұрын
Ap.kha se mbbs karti h o
One of best teacher the world has ever produced.......lots of love from india sir ❤️❤️❤️
@DoctorNajeeb
Жыл бұрын
Thank you for all the love and respect dear️❤️❤️
Best lecture of all times, I salute you Dr.... all the way from Nairobi Kenya
@DoctorNajeeb
Жыл бұрын
Thank you for your kind words❤ Keep supporting ❤
Really helpful Thank you Dr. Najeeb sir.... So easy to understand like having a cup of tea
I wish i knew you since my first day in medical school Thank you sir
love the way you make things clear .........thank you sir for building our concepts !!
Now i really know what is the function of vasa recta.. Thank u sir👍🏻
Oh man! I am impressed i had no idea tht ccm could be so much fun...Dr Najeeb u r the man sir
dr najeeb was the reasom to make me like medicine again and since ive been watching urinary systems videos i like to be a nephrologist
@DoctorNajeeb
2 жыл бұрын
Thank you for all the kind words💓 Keep supporting💓
Sir thanks alot sir the way of teaching it made me mesmerized each single word of yours got stuck into my memory. Thanks is also a very small word to appreciate you sir.
Dear sir.. please upload some video lectures based on biochemistry and molecular biology.
In medical colleges they use to read slides while giving lecture...but you are great, you teach with your skills. I really appreciated your efforts, thank yoh so much❤
You are the alakh pandey of mbbs
I studied counter current system earlier also but never understand that Today im feeling nice after seeing video and clearing my basic doubt and misconceptions also which i understood wrong earlier Thank u sir 😘😘😘😘😘
@DoctorNajeeb
3 жыл бұрын
Thank you for your love and support. Stay blessed. :)
Dr.Najeeb I love u❤. You are a real real teacher the best teacher
Sir l became your fan, please continually help us like this way
Thanks Dr. Najeeb!
Classes are highly informative.Thankyou very much, sir.
King 👑 of physiology love you sir
@DoctorNajeeb
Жыл бұрын
Love you more dear❤️ Stay blessed ❤️
Platinum, Gold, Diamond quality lecture, Just amazing and absolutely superb concept of Counter current mechanism. Easy and Crisp knowledge. Thank you so much Sir, love You a lot. 💜💚❤️💛💙
@DoctorNajeeb
2 жыл бұрын
Most welcome!❤️ Stay blessed❤️
You are the best medical teacher sir Great respect for you May Allah bless you with health happiness and success
Thank you so much what an awesome lecture... I understood so well..
Awesome lecture sir . Love from India 🇮🇳
@DoctorNajeeb
Жыл бұрын
Thanks for the love 💘
You are girf of God to explain us difficult topics very easily and Crystal clearly sir. Thank you very much sir..
Sir what to say! Understood counter current mechanism for the first time!!! It's quite weird to say but i am getting goosebumps 😅
@DoctorNajeeb
2 жыл бұрын
Thank you for your feedback. Keep supporting the hard work. ❤️🔥
Thanks a lot sir, Without you i could never understand this topic
Truly awesome najeeb sir! You are a gem
awesome sir'..love from India
Dr. Najeeb is extremely knowledgeable & amazing convincing capacity to teach students of any level. Hat's off to Dr. Najeeb.
@DoctorNajeeb
2 жыл бұрын
Thank you so much. Stay blessed ❤️
Thanks sir 👍😊 with a lots of love ❤️ and support ❤️🙏
Great sir najeeb...pride of KEMU😍😘
you well done thanks doctor fifth stage pharmacy student from Iraq
excellent explanation
u r just awesome hats off to you
How can you know just EVERYTHING mashAllah 👏🏻👏🏻
THANK YOU SO MUCH DR. NAJEEB. GOD BLESS YOU.
@DoctorNajeeb
10 ай бұрын
You are welcome❤️
Jazakallah sir....... EAST OR WEST DR. NAJEEB IS THE BEST❤❤❤❤❤❤
@DoctorNajeeb
2 жыл бұрын
Thank you for the compliment! Keep learning and stay blessed ❤️
I am a final year Nephrology resident, and I cannot tell you how much this helps.
@DoctorNajeeb
2 ай бұрын
Glad to hear that 😊 Stay blessed ❤️
What a nice presentation sir.
Thank you so much sir you made tough subject simple and lovable
thank you doctor
Thanks for such an detailed and perfect teaching great piece of work please upload lecture on anatomy of kidney
Truly , You are THE GREAT GREAT GREAT teacher.
@DoctorNajeeb
Жыл бұрын
Thank you! ❤ Stay blessed ❤
DR NAJEEB IS JUST AWESOME!!!!!!!!!!!!!!!!!!!
lots of respect for you sir☺️🙏
fantastic explanation
Thank you so much Sir for this very high-yield lecture! More power to you!
@DoctorNajeeb
2 жыл бұрын
You are most welcome. Stay blessed❤️
You are really a gem sir..
Amazing sir Thank u so much
thanks Dr.Najeeb
very talented teacher
Thank you soooo much ,you made my day🙏🙏
God gifted skills otherwise not possible
Each and every second is totally worth 👍
World's Greatest alien teacher
very much helpful 😊😊
Sir you are simply superb 🙏, 🙏
Really wonderful lecture ❤️❤️❤️🔥🙏👍❤️❤️❤️
Sir.your.lecture.is.very.informative.
Thank you sir it was really helpful😍😍😍
I really thank Allah swt to have encountered such a great teacher. Made my med school journey sooo much fun and easy🤍
@DoctorNajeeb
2 жыл бұрын
Glad to hear that💖 Keep supporting💖
No one can replace u😊😊
Sir you're a blessing for all medical students May God bless you
@DoctorNajeeb
2 жыл бұрын
Likewise! ❤️ Stay blessed ❤️
Sir really thank you for your lecture iam an veterinary students your explanation was very good for my exams and also your explanation on rodents was very nice iam glad to watch this video sir 🎉🎉
@DoctorNajeeb
9 ай бұрын
It's my pleasure to have such great students. Thanks 💯
@NavinKumar-ht2kf
9 ай бұрын
@@DoctorNajeeb ❤️
Its amazing Sir. You have cleared each and every concept.God bless you😊
@DoctorNajeeb
2 жыл бұрын
So nice of you. Stay blessed 😍😍
Amazing class...sir
Thank you very much sir .I am from India
amazing video sir plss keep doing it
Excellent.explation.sir.
Thanku so much sir. .....
thankyou sir u make things so easy and reduce our efforts thanku very much
@ayomkuot5580
3 жыл бұрын
Mr. Dear teacher could you do respiratory semiology as well as endocrine semiology..... Thanks and answer me, you are gifted.
Hats off to you sir 🙌
Me as a neet aspirant watching Dr. Najeeb's videos...... Omg 😱 are medical lecturers that simple
@___s___8071
3 жыл бұрын
I wish that were the case sweetie if you're in college rn you know how hard it is🙂
along with knowledge, he teaches how to teach....thank you sir for making me good teacher
@DoctorNajeeb
Жыл бұрын
It's my pleasure❤️ Stay blessed❤️
Thank u sir🤗🙏
you are simply the best Dr