Axonal

Axonal

Axonal (pronounced: ax·​on·​al, /akˈsōnl/) is an adjective that pertains to an axon, the long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.

Etymology

The term "axonal" is derived from the Greek word "axon", which means "axis" or "axle". It was first used in the late 19th century to describe the long, slender projections of nerve cells.

Related Terms

• Axon: The long, threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.
• Axon terminal: The somewhat enlarged, often club-shaped endings by which axons make synaptic contacts with other nerve cells or with effector cells (muscle or gland cells).
• Axon hillock: The part of the neuron that connects the cell body (soma) to the axon. It is the last site in the soma where membrane potentials propagated from synaptic inputs are summated before being transmitted to the axon.
• Neuron: A specialized, impulse-conducting cell that is the functional unit of the nervous system.
• Dendrite: The branched projections of a neuron that act to conduct the electrochemical stimulation received from other neural cells to the cell body, or soma, of the neuron from which the dendrites project.

External links

• Medical encyclopedia article on Axonal
• Wikipedia's article - Axonal

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