A neuron, neurone, or nerve cell is an excitable cell that fires electric signals called action potentials across a neural network in the nervous system...

perineurium. Finally, the entire nerve is wrapped in a layer of connective tissue called the epineurium. Nerve cells (often called neurons) are further...

cell bodies of sensory (afferent) neurons. Cranial nerve ganglia contain the cell bodies of cranial nerve neurons. Autonomic ganglia contain the cell...

measure. Betz cell Central chromatolysis Motor dysfunction Motor neuron disease Nerve Sensory nerve Motor nerve Afferent nerve fiber Efferent nerve fiber Sensory...

Greek ἄξων áxōn, axis) or nerve fiber (or nerve fibre: see spelling differences) is a long, slender projection of a nerve cell, or neuron, in vertebrates...

Myelin (/ˈmaɪ.əlɪn/ MY-ə-lin) is a lipid-rich material that surrounds nerve cell axons (the nervous system's electrical wires) to insulate them and increase...

that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron or to the target effector cell. Synapses are essential...

jellyfish and hydra, the nervous system consists of a nerve net, a diffuse network of isolated cells. In bilaterian animals, which make up the great majority...

neurotransmitters at the basal end of the cell. The neurotransmitters diffuse across the narrow space between the hair cell and a nerve terminal, where they then bind...

contraction. In beta cells of the pancreas, they provoke release of insulin. Action potentials in neurons are also known as "nerve impulses" or "spikes"...