how/why does water leave the proximal tubule? ? how/why does water leave the descending loop of...
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![Page 1: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/1.jpg)
How/why does water leave the proximal tubule?
?
How/why does water leave the descending loop of Henle?
?
How is urine concentrated?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 2: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/2.jpg)
How/why does water leave the distal tubule?
How/why does water leave the collecting ducts?
?
?
How is urine concentrated?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 3: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/3.jpg)
Concentration of urine is dependent on the concentration gradient existing in the kidneys.
Maintained 3 ways
1) _________________:
Both H2O and solutes are lost from loop of Henle (__________________ ____________________).
2) ________________:
Network of capillaries carrying blood in ___________________ of nephron flow
3) ________:
Diffuses into _________ ________________… impermeable until collecting duct… ______ _______________
How is urine concentrated?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 4: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/4.jpg)
How is urine concentrated?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 5: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/5.jpg)
How is urine concentrated?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 6: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/6.jpg)
80% of reabsorption is _____________20% regulated via ________________Who?
What?
Where?
When?
Why?
How?
Posterior pituitary
Changes in _______ and __________
Maintain homeostasis
Cause formation of _____________ in __________ and _____________
You
How is urine concentration regulated?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 7: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/7.jpg)
Take 2!!!
Discuss with your neighbor and predict
an answer.
Ethyl alcohol (found in alcoholic beverages) inhibits ADH secretion. Since this is so, why/how does consumption of an alcoholic beverage influence urine production?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 8: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/8.jpg)
Who?
What?
Where?
When?
Why?
How?
Kidneys, blood
Changes in pressure and osmolality
Maintain homeostasis
_____ causes ultimate formation of ___________ which is a __________ AND causes secretion of ______________
You
80% of reabsorption is obligatory20% regulated via hormonal control
How is urine concentration regulated?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 9: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/9.jpg)
Who?
What?
Where?
When?
Why?
How?
Adrenal glands
______________________ and osmolality
Maintain homeostasis
______________ causes increase in ________ __________ in _________ and ______________.
You
80% of reabsorption is obligatory20% regulated via hormonal control
How is urine concentration regulated?If LOW levels of aldosterone what happens to “salt” levels in filtrate? What happens to osmotic potential?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 10: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/10.jpg)
Who?
What?
Where?
When?
Why?
How?
Right atrium of heart
High blood volume stretches the chamber
Maintain homeostasis
____________________ inhibits the secretion of _____ and the ______________________ (it also dilates vessels).
You
80% of reabsorption is obligatory20% regulated via hormonal control
How is urine concentration regulated?
What effect does this have on blood volume?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 11: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/11.jpg)
Who?
What?
Where?
When?
Why?
How?
Afferent arteriole
Changes in blood pressure
Maintain homeostasis
Dilate or restrict afferent arteriole. Controls what pressure?
You
How is urine concentration regulated?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 12: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/12.jpg)
Who?
What?
Where?
When?
Why?
How?
Small renal arteries and afferent arterioles
Severe stress and/or cardiac shock
Appropriate resources
_______________________ (including afferent arterioles) What happens to filtration pressure?
You
How is urine concentration regulated?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 13: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/13.jpg)
2 main types:
•___________
•___________ ____________
How is “urine” produced artificially?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 14: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/14.jpg)
1) ____________ ___________
2) _______ ________ signal _________ & ________
3) Bladder ________ and internal sphincter ________
4) __________ ______________ Bladder Incontinence!
What is involved with micturition?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 15: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/15.jpg)
Nephritis (acute and chronic)
Renal failure (acute and chronic)
Kidney stones (renal caliculi)
Incontinence (nerve damage, gestational)
Urinary tract infection (cystitis, urethritis)
Diuretics
What are some kidney diseases/disorders?
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 16: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/16.jpg)
Let’s practice some renal histology!
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II
![Page 17: How/why does water leave the proximal tubule? ? How/why does water leave the descending loop of Henle? ? How is urine concentrated? BI 203 Human Anatomy](https://reader033.vdocument.in/reader033/viewer/2022061516/5697bf871a28abf838c889ed/html5/thumbnails/17.jpg)
Let’s practice some renal histology!
BI 203 Human Anatomy & Physiology IIBI 203 Human Anatomy & Physiology II