Myosin I

single head domain

Function- Membrane association, endocytosis

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#Id: 2656

#Unit 7. System Physiology – Animal

An important component of solute reabsorption in the thick ascending limb is the sodium-potassium ATPase pump in the epithelial cell basolateral membranes.

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#Id: 2657

#Unit 7. System Physiology – Animal

In the thick segment of the ascending loop of Henle  reabsorption mechanism is load-dependent.

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#Id: 2658

#Unit 7. System Physiology – Animal

In the thick segment of the ascending loop of Henle 

Reabsorption of solutes is closely linked to the reabsorptive capability of the sodium-potassium ATPase pump, which maintains a low intracellular

sodium concentration.

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#Id: 2659

#Unit 7. System Physiology – Animal

In the thick ascending loop, 

Luminal membrane contains a three-ion cotransporter  known as Na+-K+-2Cl- cotransporter

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#Id: 2660

#Unit 7. System Physiology – Animal

The energy for Na+-K+-2Cl- cotransporter is derived from the low intracellular Na+ gradient, which is maintained by the Na+-K+ ATPase

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#Id: 2661

#Unit 7. System Physiology – Animal

Thick ascending limb is called the diluting segment because NaCl is reabsorbed but water is not reabsorbed along with it.