BEND OF VAROLIUS Meaning and
Definition
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The "bend of Varolius" refers to a structural feature found in the human brain known as the pons. It is a prominent bulge located at the base of the brainstem, forming a rounded protuberance on its anterior surface. This bend is named after the Italian anatomist and physician Costanzo Varolio, who made significant contributions to neuroscience during the Renaissance.
The pons serves as an important relay station connecting various regions of the brain, including the cerebral cortex, cerebellum, and medulla oblongata. It forms a crucial link in the transmission of sensory information between different parts of the central nervous system. Additionally, the pons is involved in regulating vital functions such as breathing, sleep, and arousal.
The bend of Varolius is characterized by a well-defined transverse groove that divides the anterior surface of the pons into two distinct halves, creating a somewhat rounded appearance. This feature serves to demarcate the basilar part of the pons from its tegmentum. The basilar part lies ventral (front) to the groove and contains various nuclei and fibers that are essential for relaying signals between different brain regions. The tegmentum, located dorsal (back) to the groove, consists of fibers and nuclei involved in controlling motor functions, autonomic functions, and sensory processing.
Overall, the bend of Varolius holds great anatomical importance due to its role in connecting and coordinating various regions of the brain, making it a fundamental structure for the normal functioning of the central nervous system.
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The anterior extension of the hind-gut on its ventral surface, in the embryo.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for BEND OF VAROLIUS
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