Iowa State University Extension & Outreach: Chickasaw County. Get inside Extension and discover how we support healthy people, healthy environments, and healthy economies. Read about some of the ways ISU Extension meets local needs, improves quality of life, and helps make our county a better place to live. Youâll be amazed at what we do.
Each axon terminal contains thousands of membrane-bound sacs called vesicles, which in turn contain thousands of neurotransmitter molecules each. Neurotransmitters are chemical messengers which relay, amplify and modulate signals between neurons and other cells.
Neurons have a membrane that is designed to send information to other cells. The axon and dendrites are specialized structures designed to transmit and receive information. The connections between cells are known as synapses. Neurons release chemicals known as neurotransmitters into these synapses to communicate with other neurons. The Structure of a Neuron There are three basic parts of a neuron: the dendrites, the cell body, and the axon.