FORMATIO GRISEA Meaning and
Definition
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Formatio grisea, derived from the Latin term meaning "gray matter," is a prominent anatomical feature within the central nervous system (CNS). It refers to the region in the brain where a collection of densely packed neuronal cell bodies and unmyelinated nerve fibers exhibit a grayish appearance due to the absence of myelin.
The formation of the formatio grisea is primarily found in the brainstem, particularly in the midbrain and pons. In the midbrain, it comprises several important structures, including the substantia nigra, a crucial region involved in motor control; the red nucleus, which coordinates limb movement; and the periaqueductal gray, responsible for pain modulation. Additionally, the formatio grisea in the midbrain plays a crucial role in vision, hearing, and other sensory functions.
In the pons, the formatio grisea mainly consists of the reticular formation, an interconnected network of nuclei involved in various physiological processes, such as sleep, arousal, and consciousness. This region integrates and relays information between different brain regions, facilitating the coordination of voluntary and involuntary movements.
Overall, the formatio grisea is a vital component of the CNS, contributing to the regulation and modulation of numerous functions, including sensory perception, motor control, and consciousness. Its intricate organization and composition of gray matter serve as a structural foundation for the intricate neuronal connections and communication pathways that govern the brain's overall functionality.
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The lateral portion of the f. reticularis in which the gray matter preponderates.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for FORMATIO GRISEA
- fourmatiogrisea
- forematiogrisea
- foarmatiogrisea
- formatiogrisee
- f ormatio grisea
- fo rmatio grisea
- for matio grisea
- form atio grisea
- forma tio grisea
- format io grisea
- formati o grisea
- formatio g risea
- formatio gr isea
- formatio gri sea
- formatio gris ea
- formatio grise a
Etymology of FORMATIO GRISEA
The word "formatio grisea" has Latin etymology.
- "Formatio" comes from the Latin word "formare", which means "to form".
- "Grisea" comes from the Latin word "griseus", which means "gray".
In neuroscience, "formatio grisea" refers to the grey matter structures within the brain. "Formatio grisea" is often used as a general term, without specifying a particular region.
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