Loop Of Henle
Loading...
Link to this comment:
Uploader Comments (o2demand)
Top Comments
-
Nothing ever pumps water. The descending limb pumps Na+ from the lumen, dragging the water with it. The ascending part of the loop is impermeable to water but pumps out ions. This is what creates the hyperosmolar medulla and hypo-osmolar fluid in the tubulus. The hypo-osmolor fluid then ascends into the cortex where the interstitium is iso-osmolar, allowing water to be diffuse back to the systemic circulation. Without this part there would be no hyperosmolar medulla.
3 years ago 4
All Comments (4)
-
are you a doctor or something??
-
Thanks for the videos. These videos are great.
May I request you to make some basic general pathology videos on various basic general pathology topics like inflammation etc.
- 9:55Benzodiazepineby o2demand16,186 views
Featured Video
- 9:27Reabsorption in the Nephronby ThePenguinProf59,690 views
- 1:44Countercurrent Mechanism v3by rgm17855,861 views
- 13:20Function of Loop of Henle.mp4by Pomozimokolegama555 views
- 1:25LoopOfHenleby saintgod2220,415 views
- 9:37ThomasConenaby tjconena23,183 views
- 8:00Proximal Convoluted Tubule: Part 2by hennagerdj11,092 views
- 5:46Urinary system - The nephronby elcheguevarra467,880 views
- 1:45Countercurrent Exchangeby scope8912,551 views
- 0:37How the Body Works : The Filtering Mechanismby dizzo9567,012 views
- 3:32Lucky (Remixed for AP BioIdol)by gangstahgrl781,543 views
- 2:31Function of the Nephronby Aliciahayashi685,012 views
- 2:57Loop of Henleby lallen90x461 views
- 0:40Nephron Model *see info*by Biology2064,744 views
- 5:34Henle/loops/whipkey/Indyby toomer500257 views
- 0:47Renal Corpuscle and Renal Tubule/Nephronby Mschower813354 views
- 10:46Tubular Reabsorption: Loop of Henle: Formation ...by phinest1330 views
- 7:59Heart Physiology (Length-tension plot: part 5/6)by hyperhighs45,983 views
- 6:23acute heart failure 4by o2demand20,295 views
- 9:35Urine Concentration and Dilution 1/13 - Renal P...by DoctorNajeeb44,056 views
The descending limb is permeable to water and ascending limb permeable to sodium.Hence as sodium is pumped out of descending limb,the interstitial osmolarity increases and the water rushes out of ascending limb to return osmolarity to equilibrium.Hence fluid is concentrated most at the end of descending limb and least at the end of loop of henle,I think,Isn't it?
tapasimd 3 years ago
Comment from indeedslim:
No, the descending limb pumps out water and that concentrates the fluid in the lumen. This accounts for the concentration of the fluid in the lumen in the descending limb. Ions are pumped out in the ascending limb and that accounts for the decrease in the osmolarity in the ascending portion. The reason for the concentration gradient in the lumen is due to the vasa recta's absorption of the ions pumped out of the ascending limb of the LOH.
o2demand 3 years ago