An exocytotic vesicle is a membrane bound vesicle containing contents intended for release into the external environment. The vesicle will ultimately be fused with the cell membrane when its contents are released.
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An exocytotic vesicle is a membrane-bound organelle within a cell that fuses with the cell membrane to release its contents outside of the cell. This process is important for the secretion of molecules such as hormones, enzymes, and neurotransmitters.
In a heterogeneous mixture components are not thoroughly mixed and the mixture properties have a gradient, components are visicle, many phases exist, the material is not uniform. Examples: a rock, a soup, soil, dirty water, wastes, non miscibles liquids etc.
Information is passed through neurons via electrical signals known as action potentials. These signals travel along the length of the neuron from the cell body to the axon terminals, where they trigger the release of neurotransmitters that stimulate the next neuron in the chain. This process allows for communication between neurons and enables the transmission of information throughout the brain and nervous system.
Synaptic facilitation is a process by which repeated stimulation of a presynaptic neuron enhances the strength of neurotransmission at a synapse. It typically involves an increase in neurotransmitter release due to residual calcium build-up in the presynaptic terminal. This can lead to stronger synaptic transmission and an enhanced response in the postsynaptic neuron.