EMINENTIA ARCUATA Meaning and
Definition
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Eminentia arcuata is a term mainly used in anatomy to describe a specific anatomical feature found in the brainstem. The term "eminentia" refers to an elevation or prominence, while "arcuata" refers to an arched or curved shape.
In the context of human anatomy, eminentia arcuata refers to a pair of small bulges that can be observed on the ventral (front) aspect of the medulla oblongata. The medulla oblongata is the lowermost segment of the brainstem, connecting the spinal cord to the other parts of the brain.
The eminentia arcuata is also known as the arcuate eminence or tuberculum cinereum. It is located on either side of the midline, in the area where the medulla oblongata transitions into the pons, another region of the brainstem.
Functionally, the eminentia arcuata serves as a landmark for the crossing of nerve fibers within the brainstem. This crossing, known as the decussation of the pyramids, is an essential anatomical arrangement that allows for the opposite cerebral hemisphere to control voluntary movements of the body.
In addition to its significance in neuroanatomy, the eminentia arcuata has been associated with the regulation of various autonomic functions, including respiration and blood pressure. It is understood to be involved in the coordination and control of these vital bodily processes.
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Arcuate eminence, a prominence on the superior (anterior) surface of the petrous portion of the temporal bone indicating the position of the superior semicircular canal.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for EMINENTIA ARCUATA
- eminentia arcuatc
- eminentiaarkuata
- eminnentiaarcuata
- e minentia arcuata
- em inentia arcuata
- emi nentia arcuata
- emin entia arcuata
- emine ntia arcuata
- eminen tia arcuata
- eminent ia arcuata
- eminenti a arcuata
- eminentia a rcuata
- eminentia ar cuata
- eminentia arc uata
- eminentia arcu ata
- eminentia arcua ta
- eminentia arcuat a
Etymology of EMINENTIA ARCUATA
The term "eminentia arcuata" comes from Latin. Here's the breakdown:
1. Eminentia: It derives from the Latin verb "eminere", meaning "to stand out" or "to be prominent". This word is formed by adding the suffix "-entia", which signifies the quality or state of being. Therefore, "eminentia" can be translated as "excellence" or "prominence".
2. Arcuata: It is the feminine form of the Latin adjective "arcuatus", which means "curved" or "arched". The word is derived from the noun "arcus", meaning "bow" or "arch". In this context, "arcuata" is used to describe a curved or arched structure.
When combined, "eminentia arcuata" refers to a curved prominence or a curved structure that stands out.
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