How Do You Spell SUBSTANTIA GRISEA?

Pronunciation: [səbstˈanʃə ɡɹˈa͡ɪsi͡ə] (IPA)

Substantia Grisea, also known as the gray matter, is a region of the spinal cord and brain consisting of mainly cell bodies and dendrites. In IPA phonetic transcription, the word is spelled /sʌb'stænʃə 'ɡraɪ.si.ə/. The "s" sound at the beginning is followed by "ub" pronounced as "uhb," then "st" pronounced as "st," and "an" pronounced as "an." The "ti" is pronounced as "sh" and "a" is pronounced as "ə." Finally, "gr" is pronounced as "ɡr," "i" is "aɪ," "s" is "s," "e" is "i," and "a" is "ə."

SUBSTANTIA GRISEA Meaning and Definition

1. Substantia grisea, also known as gray matter, is a complex area of the central nervous system that primarily consists of cell bodies of neurons. It is found in different regions of the brain and spinal cord. The term "substantia grisea" comes from Latin, where "substantia" means substance and "grisea" means gray.

   In the brain, substantia grisea can be further classified into two main regions: the cerebral cortex and the central nuclei. The cerebral cortex is the outermost layer of gray matter that covers the majority of the brain's surface. It plays a critical role in higher cognitive functions, including consciousness, perception, memory, and reasoning. The central nuclei, on the other hand, are clusters of gray matter located deep within the brain, and they are involved in a variety of functions such as movement, emotion, and autonomic control.

   In the spinal cord, substantia grisea is present in the central region and surrounds the central canal. It is responsible for relaying sensory and motor information between the body and the brain.

   Overall, substantia grisea serves as a crucial processing and integration center within the central nervous system. Its gray coloration is a result of the high concentration of cell bodies, as opposed to the white matter, which contains the axons of neurons and appears white due to the presence of myelin sheaths.

2. S. cinerea, gray substance.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for SUBSTANTIA GRISEA

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• sunstantia grisea
• suhstantia grisea
• sugstantia grisea
• subatantia grisea
• subztantia grisea
• subxtantia grisea

Etymology of SUBSTANTIA GRISEA

The term "Substantia Grisea" is derived from Latin. "Substantia" translates to "substance" or "matter", while "grisea" translates to "grey" in English. Together, "Substantia Grisea" can be understood as "Grey Matter" or "Gray Substance".

In neuroscience, "Substantia Grisea" refers to the regions of the central nervous system that are composed of structures such as cell bodies and dendrites, which appear greyish in color due to the absence of myelin.