Divergence
Divergence (Medicine)
Divergence (pronunciation: /daɪˈvɜːr.dʒəns/) is a term used in various fields of medicine, including ophthalmology, neurology, and physiology. The term has different meanings depending on the context in which it is used.
Etymology
The term 'divergence' is derived from the Latin word 'divergere', which means 'to move apart'. It was first used in the medical field in the 18th century.
Ophthalmology
In Ophthalmology, divergence refers to the simultaneous outward movement of both eyes away from each other, usually in response to increased focus on a distant object. This is in contrast to convergence, where the eyes move towards each other.
Neurology
In Neurology, divergence refers to the spreading out of nerve fibers as they move away from their point of origin or from a specific structure. This is often seen in the brain and spinal cord, where nerve fibers diverge to innervate various parts of the body.
Physiology
In Physiology, divergence refers to the process by which a single neuron within the central nervous system can influence a large number of other neurons. This is achieved through the branching of the neuron's axon, allowing it to make connections with multiple other neurons.
Related Terms
External links
- Medical encyclopedia article on Divergence
- Wikipedia's article - Divergence
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