VELUM MEDULLARE ANTERIUS Meaning and
Definition
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The term "velum medullare anterius" refers to a structure within the brain, specifically the medulla oblongata. The medulla oblongata is located at the base of the brainstem, connecting the spinal cord to the higher brain regions. It plays a vital role in numerous essential functions of the body, including regulating vital organs, controlling reflexes, and transmitting signals between the brain and the spinal cord.
The velum medullare anterius, also known as the anterior medullary velum or simply the medullary velum, is a thin, sheet-like structure that is situated at the anterior section of the medulla oblongata. It is composed of white matter, which consists of myelinated nerve fibers responsible for transmitting electrical signals throughout the brain.
The primary function of the velum medullare anterius is to provide a pathway for different nerve tracts to cross from one side of the brain to the other. This is crucial for coordinating various motor functions in the body. It acts as a bridge, helping to relay information between the two hemispheres of the brain, particularly in relation to movements and coordination.
Damage or abnormalities to the velum medullare anterius can result in significant motor impairments and disruptions in the transfer of signals between the hemispheres. Understanding the anatomy and function of this structure is essential in diagnosing and treating related neurological conditions that affect motor coordination and movement.
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Anterior medullary velum, superior medullary velum, valve of Vieussens; a thin layer of white nervous tissue stretching between the two brachia conjunctiva, or superior cerebellar peduncles, forming the upper part of the roof or posterior wall of the fourth ventricle.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for VELUM MEDULLARE ANTERIUS
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