The cell body is the largest part of the neuron that contains the nucleus. The cell body is also called the soma. Neurons, which are nerve cells, contain basic structures found in other cells, including cytoplasm, nucleo... More » Science Human Anatomy

The structure of a neuron can be described as a cell body with nerve processes that transmit signals from one neuron to another. Nerve processes exist as either dendrites or axons. More » Science Human Anatomy Nerves

The main function of the cell body of a neuron is to integrate synaptic information and transmit this information to other cells via the axon. The cell body also completes a variety of biochemical processes to keep the n... More » Science Biology Cells
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A motor neuron stimulates a muscle fiber by firing a nerve impulse, which causes the muscle fiber to contract. Cardiac and smooth muscles contract without nervous stimulation, while skeletal muscles require excitation by... More » Science Human Anatomy

The part of the neuron that normally receives stimuli is the dendrite. The dendrites, which are numerous short-branched extensions, come together at the cell body. The purpose of the dendrites is to receive and combine t... More » Science Human Anatomy Nerves

As part of the immune system, a primary function of lymphocytes is to respond immediately to the presence of foreign matter, viral attacks and invading pathogens. Lymphocytes, which are a type of white blood cell, are fo... More » Science Human Anatomy

The part of the eye that light waves pass through first is the cornea, a transparent layer of the eyeball. The cornea bends light waves coming into the eye before they reach the lens, according to the American Optometric... More » Science Human Anatomy