MAMMILLARY BODY Meaning and
Definition
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The mammillary bodies refer to a pair of small round structures located in the brain, specifically within the limbic system. These bodies are part of the diencephalon, which is situated beneath the cerebral hemispheres. Each mammillary body is positioned at the posterior end of the hypothalamus, near the midline.
These structures primarily serve as relay stations within the brain, connecting different areas of the limbic system. They form important connections with other regions, including the hippocampus, thalamus, and fornix. The mammillary bodies are involved in various neural networks responsible for memory formation and spatial navigation.
The mammillary bodies play a crucial role in memory functions, particularly in memory consolidation. Damage or lesions in the mammillary bodies have been associated with memory impairment, especially in declarative memory, which involves conscious recall of facts and events. Disorders such as Korsakoff syndrome, caused by chronic alcoholism or thiamine deficiency, often lead to damage in the mammillary bodies and subsequent memory deficits.
In conclusion, the mammillary bodies are small structures located in the brain that function as relay stations within the limbic system. They are essential for memory formation, consolidation, and navigation, forming connections with various regions of the brain involved in these processes.
Common Misspellings for MAMMILLARY BODY
- nammillary body
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Etymology of MAMMILLARY BODY
The word "mammillary" is derived from the Latin word "mammilla", which means "nipple" or "teat". The term "mammillary body" was coined because the shape of this brain structure, found in the hypothalamus, resembles a cluster of nipples. It was believed that the bumps on the surface of the mammillary body resembled a row of nipples. Hence, the term "mammillary" was used to describe this specific structure.
Similar spelling word for MAMMILLARY BODY
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