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Flashcards in Mechanisms Deck (4)
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1
Q

mechanism: membrane capacitance

A

the force of wave displaces membrane ( changing thickness and curvature) which creates current differences across the membrane, aka flexoelectricity
alternatively, expansion and oscillation of bubbles within lipid bilayer result in capacitive current changes

2
Q

mechanism mechanosensitive

A

the force of the wave activates mechanosensitive ion channels in the cell membrane
evidence for potassium, sodium and calcium channel changes

3
Q

mechanism: membrane openings

A

tiny pores are opened in the lipid bilayer (sonoporation) which allow excitatory ions inside the cell

4
Q

mechanism: mechanical action potential

A

action potential propagation down the axon is partly mechanical and thus influenced by ultrasound wave