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TLS Online TPP Program

#Id: 5446

Tetraethylammonium ion blocks the potassium channels when it is applied to the interior of the nerve fiber.



#Unit 7. System Physiology – Animal #Nervous system, Neurons, action potential #Part B Pointers
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TLS Online TPP Program

#Id: 1429

#Unit 4. Cell Communication and Cell Signaling

Integrins typically exhibit low affinities for their ligands, with dissociation constants (Kd) between 10−6 and 10−7 mol/L.
TLS Online TPP Program

#Id: 1430

#Unit 4. Cell Communication and Cell Signaling

Integrins are involved in biological activities, includes: 
Extravasation
Cell-to-cell adhesion
Cell migration
Receptors for certain viruses
Angiogenesis
Apoptosis
TLS Online TPP Program

#Id: 1431

#Unit 4. Cell Communication and Cell Signaling

Integrins can mediate outside-in and inside-out signaling
TLS Online TPP Program

#Id: 1432

#Unit 4. Cell Communication and Cell Signaling

Hemidesmosomes are integrin-containing anchoring junctions that attach cells to elements of the underlying extracellular matrix.
TLS Online TPP Program

#Id: 1433

#Unit 4. Cell Communication and Cell Signaling

Integrins have an important function in neuroregeneration after injury of the peripheral nervous system.
TLS Online TPP Program

#Id: 1434

#Unit 4. Cell Communication and Cell Signaling

Three major classes of animal-cell junctions: 
1. Anchoring junctions
2. Tight junctions
3. Gap junctions