What do the colors on the flag of Norway mean? Credit: Thinkstock Images Stockbyte Getty Images. The Union Jack is composed of the flags of three patron saints layered one over the other. The central red cross on a white field is the flag of St. George, the patron saint of England.
Synaptic vesicles contain thousands of neurotransmitter. The  neurotransmitters are packed into a small membrane bound synaptic  vesicles. There are thousands of neurotransm â¦ itter molecules.
1 The postsynaptic membrane is the third part of the synapse. 2  This portion of the outer membrane of the receiving neuron is functionally specialized.. 3  The structure of a synapse is clearly illustrated in Figure 5.2, which shows a special type of synapse between the endfoot of a neuron and a muscle fiber.xocytosis. 1  The process by which vesicles inside the cell fuse with the cell membrane and release their contents into the synaptic cleft is called exocytosis. 2  The cycle of exocytosis is as follows: First a vesicle approaches the membrane, on its way to an activate site.