Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 –...

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Urinary System

Transcript of Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 –...

Page 1: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Urinary System

Page 2: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Osmoregulation

• homeostasis of H2O and solutes (‘stuff’)– NaCl– NH3

– H2O

• regulate uptake and loss of fluids• regulate uptake and loss of solutes

Page 3: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Figure 25.5

Proteins

Ammonia

Nitrogenous bases

NH2

(amino groups)

Nucleic acids

Urea

Uric acid

Mammals, mostamphibians, sharks,some bony fishes

Birds and many otherreptiles, insects, landsnails

Most aquatic animals,including most bonyfishes

Amino acids

Page 4: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.
Page 5: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.
Page 6: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Page 7: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Figure 25.6_2

Renal cortex

Renal medulla

Ureter

Renal pelvis

The kidney

Page 8: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Figure 25.6_3

Bowman’s capsule

Tubule

Collectingduct

To renalpelvis

Branch ofrenal artery

Branch ofrenal vein

Renal cortex

Orientation of a nephron within the kidney

Renal medulla

Page 9: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Page 10: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Page 11: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Figure 25.6_4

Proximal tubuleGlomerulus

DistaltubuleCollectingDuct

Fromanothernephron

Bowman’s capsule

Arteriolefrom renalartery

Arteriolefrom glomerulus

Branch ofrenal vein

Loop of Henlewith capillarynetwork

Detailed structure of a nephron

Capillaries

1

3

2

Page 12: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Figure 25.8Bowman’scapsule

Blood

Nutrients H2ONaCl

Proximal tubule

Somedrugsand poisonsCortex

Medulla

Interstitialfluid Loop of

Henle

H2O

Filtrate composition

Reabsorption

Filtrate movement

Secretion

Distal tubule1

2 NaCl

NaCl

NaCl

UreaH2O

3K

H

Collectingduct

Urine (torenal pelvis)

H2ONaCl HCO3

H2O Salts (NaCl and others) HCO3

H

Urea Glucose Amino acids Some drugs

HCO3

H

Page 13: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Page 14: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Figure 25.8_1

Blood

Filtrate composition

Reabsorption

Filtrate movement

Secretion

Bowman’scapsule

Nutrients H2ONaCl HCO3

Proximal tubule

Somedrugsand poisonsCortex

Medulla

H

H2O

Salts (NaCl and others) HCO3

H

Urea Glucose Amino acids Some drugs

Page 15: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.

Figure 25.8_2

Reabsorption

Filtrate movement

Secretion

NutrientsNaCl HCO3

Somedrugsand poisonsCortex

Medulla

Proximal tubule

Interstitialfluid Loop of

Henle

H2O

NaCl

NaCl

NaCl

UreaH2O

Collectingduct

Urine (torenal pelvis)

Distal tubuleH2O

NaCl HCO3

1

3

2

H2O

H HK

Page 16: Urinary System. Osmoregulation homeostasis of H 2 O and solutes (‘stuff’) – NaCl – NH 3 – H 2 O regulate uptake and loss of fluids regulate uptake and.
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16 - Osmoregulation in Earthworms

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