Peripheral
Peripheral
Peripheral (/pəˈrɪfərəl/), derived from the Greek word 'peripheria' meaning circumference, is a term used in various fields of study, but in the medical context, it generally refers to something that is away from the center or core.
Medical Definition
In medicine, the term 'peripheral' is often used to describe parts of the body that are away from the center. For example, the peripheral nervous system, which includes all the nerves outside of the central nervous system, or peripheral blood vessels, which are the blood vessels that are not part of the heart or major blood vessels connected to it.
Related Terms
- Peripheral Nervous System: The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.
- Peripheral Vascular Disease: A circulation disorder that affects blood vessels outside of the heart and brain.
- Peripheral Neuropathy: A result of damage to the nerves outside of the brain and spinal cord (peripheral nerves), often causing weakness, numbness and pain, usually in your hands and feet.
- Peripheral Vision: The part of our vision that occurs outside the very center of gaze.
Etymology
The term 'peripheral' comes from the Greek word 'peripheria', which means circumference. In the medical context, it is used to describe something that is away from the center or core of the body.
Pronunciation
The term 'peripheral' is pronounced as /pəˈrɪfərəl/.
See Also
External links
- Medical encyclopedia article on Peripheral
- Wikipedia's article - Peripheral
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