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- DictionaryGy·rus/ˈjīrəs/
noun
- 1. a ridge or fold between two clefts on the cerebral surface in the brain.
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The meaning of GYRUS is a convoluted ridge between anatomical grooves; especially : convolution. a convoluted ridge between anatomical grooves; especially : convolution… See the full definition
In neuroanatomy, a gyrus ( pl.: gyri) is a ridge on the cerebral cortex. It is generally surrounded by one or more sulci (depressions or furrows; sg.: sulcus ). [1] Gyri and sulci create the folded appearance of the brain in humans and other mammals .
Gyrus definition: a convolution, especially of the brain.. See examples of GYRUS used in a sentence.
Oct 30, 2023 · A gyrus is a ridge-like elevation found on the surface of the cerebral cortex. Gyri are surrounded by depressions known as sulci, and together they form the iconic folded surface of the brain. Gyri are made up of the gray matter of the cerebral cortex, which mainly consists of nerve cell bodies and dendrites.
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Sep 19, 2023 · The precentral gyrus is the anatomical location of the primary motor cortex, which is what this gyrus is commonly known as. This gyrus works by creating and organizing a map of the body, known as the homunculus or ‘little man.’ The precentral gyrus is believed to contain the motor control for the torso, arms, hands, fingers, and head.
GYRUS definition: 1. one of the many rounded raised parts on the surface of the brain 2. one of the many rounded…. Learn more.
A gyrus is a rounded raised part on the surface of the brain, such as the prefrontal cortex or the hippocampus. Learn how to pronounce gyrus and gyri, and see examples of their usage in sentences and translations.
