STRIA TERMINALIS Meaning and
Definition
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The "stria terminalis" is a term used in neuroanatomy to describe a distinct bundle of white matter fibers within the brain. It is a part of the limbic system, specifically found in the telencephalon. The term "stria terminalis" is Latin for "terminal stripe" or "terminal band," denoting its location and appearance.
The stria terminalis is a long, ribbon-like structure that courses through different areas of the brain, connecting various limbic structures. It arises from the amygdala, a key region involved in emotions and memory, and extends anteriorly into the septal region of the forebrain. Along its course, it receives contributions from other areas including the bed nucleus of the stria terminalis, hypothalamus, and hippocampus.
Functionally, the stria terminalis is involved in several important processes. It plays a role in the modulation of fear and anxiety responses, as it forms part of the pathway through which information related to threat stimuli is relayed. It also participates in the regulation of social and sexual behaviors, demonstrating its involvement in the limbic system's control over social interactions and reproduction.
Overall, the stria terminalis is an essential anatomical structure that helps facilitate communication between different limbic regions involved in emotional and behavioral regulation. Its connections and functions make it a key component within the brain's complex network, influencing various aspects of an individual's affective and social experiences.
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Terminal stria, taenia semicircularis, a band of fibers running first in the roof of the inferior horn and then in the floor of the body of the lateral ventricle, passing from the amygdaloid nucleus to the anterior perforated substance.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for STRIA TERMINALIS
Etymology of STRIA TERMINALIS
The term "stria terminalis" is derived from Latin and translates to "terminal band" in English.
To break it down further:
- "Stria" comes from the Latin word "stria", which means "streak" or "line".
- "Terminalis" comes from the Latin word "terminus", which means "end" or "boundary".
In anatomical terms, the "stria terminalis" refers to a bundle of nerve fibers or fibers system found in the brain. It runs along the lateral wall of the lateral ventricle and ends in the amygdala, hypothalamus, and septal area.
