MEMBRANA STRIATA Meaning and
Definition
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Membrana striata is a Latin term that translates to "striped membrane" in English. It refers to a structure found in the brain that is also known as the "taenia tecta" or "lamina affixa." This structure is located within the lateral ventricles, which are fluid-filled cavities in the brain. The membrana striata separates the lateral ventricles from the caudate nucleus, a component of the basal ganglia.
The membrana striata is composed of a thin layer of white matter, consisting of myelinated nerve fibers. It appears striated or striped due to the organized arrangement of these fibers. It functions to provide structural support and acts as a barrier that separates the lateral ventricles from the adjacent caudate nucleus.
In addition to its structural role, the membrana striata also contains important neural connections. It is involved in the regulation of movement and plays a part in the circuitry of the basal ganglia, which is responsible for motor control. Dysfunction or damage to the membrana striata can lead to movement disorders such as Parkinson's disease or Huntington's disease.
Overall, the membrana striata is a distinct anatomical feature of the brain that serves as a physical and functional boundary between the lateral ventricles and the caudate nucleus, while also participating in motor control and movement regulation.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MEMBRANA STRIATA
- nembrana striata
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- mwmbrana striata
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Etymology of MEMBRANA STRIATA
The term "membrana striata" has Latin origins and literally translates to "striated membrane".
- "Membrana" comes from the Latin word "membrāna", meaning "thin layer" or "membrane".
- "Striata" is the feminine form of the Latin adjective "striatus", derived from the verb "striare", which means "to form lines" or "to mark with grooves".
So, "membrana striata" refers to a membrane with striations or grooves. In anatomy, it specifically refers to a part of the brain known as the "stria medullaris" or "stria terminalis", which is characterized by its striated appearance.
