SUBSTANTIA CINEREA Meaning and
Definition
-
Substantia cinerea is a Latin term that translates to "gray substance" in English. It is a term commonly used in the field of anatomy and neuroscience to refer to a specific region of the brain or spinal cord. The substantia cinerea is comprised of clusters of gray matter, which consists of the cell bodies, dendrites, and synapses of neurons.
In the brain, the substantia cinerea is primarily found in the cerebral cortex, where it forms a dense layer underlying the outer gray matter. It plays a crucial role in information processing, receiving signals from various sensory organs and relaying them to other parts of the brain for further interpretation and response. The substantia cinerea is also involved in coordinating voluntary movements, regulating emotions, and controlling unconscious activities such as breathing and heart rate.
In the spinal cord, the substantia cinerea is located in the central portion, surrounding the central canal. It is responsible for transmitting signals between the peripheral nerves and the brain, allowing for sensory information to be interpreted and motor commands to be executed.
Overall, the substantia cinerea is an essential component of the central nervous system, contributing to the complex functioning of the brain and spinal cord. Its gray coloration is due to the presence of unmyelinated nerve fibers, distinguishing it from the surrounding white matter.
-
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for SUBSTANTIA CINEREA
- aubstantia cinerea
- zubstantia cinerea
- xubstantia cinerea
- dubstantia cinerea
- eubstantia cinerea
- wubstantia cinerea
- sybstantia cinerea
- shbstantia cinerea
- sjbstantia cinerea
- sibstantia cinerea
- s8bstantia cinerea
- s7bstantia cinerea
- suvstantia cinerea
- sunstantia cinerea
- suhstantia cinerea
- sugstantia cinerea
- subatantia cinerea
- subztantia cinerea
- subxtantia cinerea
- subdtantia cinerea
Etymology of SUBSTANTIA CINEREA
The term "substantia cinerea" consists of two Latin words: "substantia" and "cinerea".
1. "Substantia": Coming from the Latin noun "substantia", which means "substance" or "essence". It is derived from the combination of the prefix "sub", meaning "under" or "below", and the verb "stare", meaning "to stand".
2. "Cinerea": This word comes from the Latin adjective "cinereus", which translates to "ashen" or "gray". It is derived from the noun "cinis", meaning "ashes".
Therefore, "substantia cinerea" can be understood as "gray substance" or "ashen matter". It is a term used in anatomy to refer to a grayish region found in certain parts of the brain and spinal cord.
