Innervation
Innervation
Innervation (pronunciation: /ɪnəˈveɪʃ(ə)n/) is a term used in anatomy and physiology to describe the supply of nerves to a specific body part. Derived from the Latin word "innervare" which means "to furnish with nerves", innervation refers to the distribution or supply of nerve fibers that are responsible for stimulating or regulating particular body parts, especially muscles and glands.
Etymology
The term "innervation" comes from the Latin "innervare", meaning "to furnish with nerves". It is composed of two parts: "in-" (a prefix meaning "into") and "nervus" (meaning "nerve").
Related Terms
- Nervous System: The complex network of nerves and cells that transmit signals between different parts of the body.
- Neuron: A specialized cell transmitting nerve impulses; a nerve cell.
- Neurotransmitter: Chemicals that transmit signals across a synapse from one neuron (nerve cell) to another 'target' neuron.
- Synapse: A junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter.
- Peripheral Nervous System: The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.
- Central Nervous System: The complex of nerve tissues that controls the activities of the body. In vertebrates, it comprises the brain and spinal cord.
See Also
External links
- Medical encyclopedia article on Innervation
- Wikipedia's article - Innervation
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