CINEMA 3 Lecture Notes - Lecture 8: Fetus, Ion Transporter, Fish Oil
Document Summary
Let"s get into that synapse a little more. When an action potential gets to here, the vesicles fuse with the presynaptic membrane and give the neurotransmitters into the synaptic cleft. The space in between the presynaptic membrane (axon ending) and the postsynaptic membrane (following dendrite) The vesicle gives neurotransmitters into the cleft and those diffuse to the receptors at the postsynaptic membrane. Also contains several enzymes that break down neurotransmitters part of dendrite. A resting potential describes the negative potential of a deenergized nerve cell. This negative potential exists due to a charge difference of ions in the extracellular space compared to the intracellular space (cytoplasm). The charge in the intercellular space at about -70mv in the state of the resting potential. This is due to an uneven distribution of ion concentration within and outside of the cell. Separately from one another, the total charge in the extracellular and the intercellular space are balanced.
