Neurotransmitters are formed in a presynaptic neuron and stored in small membrane-bound sacks, called vesicles, inside this neuron. When this neuron is activated, these intracellular vesicles fuse with the cell membrane and release their contents into the synapse, a process called exocytosis.
Modern timekeeping defines a day as the sum of 24 hours â but that is not quite correct. The Earth's rotation slows down over time. So in terms of solar time, most days are a little longer than 24 hours.
A Martian day is called a Sol and it is 24 hours, 39 minutes, and 35.2 seconds long. Why is it longer than a day on Earth, which is only 24 hours long? Mars has a slower rotation on its axis than the Earth does. Martian day is called a Sol and it is 24 hours, 39 minutes, and 35.2 seconds long. Why is it longer than a day on Earth, which is only 24 hours long? Mars has a slower rotation on its axis than the Earth does.