ELEVENTH NERVE Meaning and
Definition
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The eleventh nerve, also known as the accessory nerve, is a crucial component of the central nervous system found in vertebrates, including humans. It is classified as a motor nerve, responsible for innervating specific muscles involved in various movements.
An eleventh nerve consists of two major components, the cranial component and the spinal component. The cranial component arises from the brainstem, particularly from the medulla oblongata, while the spinal component emerges from the upper spinal cord. These two components combine to form the eleventh nerve, which then splits into separate branches to provide innervation to specific muscle groups.
The main functions of the eleventh nerve involve controlling the movements of certain muscles located in the neck, back, and shoulders. It is primarily involved in motor activities, such as rotating and tilting the head, shrugging the shoulders, and certain swallowing movements. Additionally, it plays a critical role in maintaining proper posture and stability.
Damage or dysfunction of the eleventh nerve can result in various complications, including weakness or paralysis of the affected muscles, leading to difficulties in performing the aforementioned movements. This can be caused by trauma, tumors, or other pathological conditions. Physical therapy and exercises can be recommended to enhance the recovery and function of the affected muscles.
Overall, the eleventh nerve serves as a vital component of the nervous system, facilitating various crucial movements and functions in the human body.
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Eleventh cranial n., nervus accessorius.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ELEVENTH NERVE
- eleventh nesve
- eleventh ner6e
- eleventh nerre
- eleventh nerte
- eleventh nerwe
- eleventh nervu
- eleventh nervm
- eleventh nerva
- eleventh nervg
- e leventh nerve
- el eventh nerve
- ele venth nerve
- elev enth nerve
- eleve nth nerve
- eleven th nerve
- elevent h nerve
- eleventh n erve
- eleventh ne rve
- eleventh ner ve
- eleventh nerv e
Etymology of ELEVENTH NERVE
The term "eleventh nerve" refers to the eleventh cranial nerve, which is also known as the accessory nerve. The etymology of this term can be understood by breaking it down into its components:
1. Eleventh: It comes from the Old English word "endleofte", which is a combination of "endleofa" (eleven) and "-te" (suffix indicating ordinal numbers). The Old English word "endleofa" itself originated from the Proto-Germanic *ainalifon, a combination of *ainaz (one) and *lifon (ten). Over time, "endleofte" evolved into "eleventh" in modern English.
2. Nerve: This term is derived from the Latin word "nervus", meaning "sinew" or "tendon".
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