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.
Spherical sac containing neurotransmitters. They are found in the axon terminal. They are manufactured in the cell body and travel down the length of the axon. When the synaptic vesicles reaches the end on the axon terminal it bursts, releasing neurotransmitters Neurotransmitter