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Axial relating to, along, or otherwise involving an axis, particularly the long axis or central part of the body.

Axial Gradient The difference in development or metabolic rate of tissues along a body axis.

Axiom In logic and philosophy, a universally accepted proposition that is not capable of proof or disproof. An axiom can be used …

Axis In DSM–IV–TR, any of the dimensions that are helpful for describing individual behavior and thus facilitate clinical assessment. DSM–IV–TR (but not …

Axis Cylinder The central core of an axon, consisting of cytoplasm (or axoplasm) surrounded by the plasma membrane (or axolemma).

Axo-Axonal Synapse A synapse between two nerve cells in which the nerve impulse travels from one axon to the other axon, rather …

Axon Collateral A branch of a neuron’s axon.

Axon Hillock A cone-shaped part of the cell body of a neuron from which the axon originates. Depolarization must reach a critical …

Axon Reflex A peripheral nerve reflex, often associated with pain, in which stimulation of nerve fibers causes impulses to pass up these …

Axonal Bundle A group of parallel axons. Also called fasciculus.