POSTPALLIUM Meaning and
Definition
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Postpallium refers to the posterior part of the cerebral pallium, a region in the brain that plays a significant role in higher cognitive functions and sensory processing. The pallium is a layered structure located on the outermost surface of the forebrain, and it is essential for integrating sensory information, planning motor movements, and regulating emotions. The term postpallium specifically characterizes the caudal or posterior portion of this cortical region.
The postpallium is primarily found in the brains of birds and reptiles, notably in the telencephalon, which is the part of the brain responsible for higher cognitive processes. In development, the postpallium arises from the dorsal ventricular ridge, a structure that becomes distinct during early brain development stages. It is composed of several discreet layers of neuronal cell bodies that are interconnected by complex neural circuits.
Functionally, the postpallium has been associated with various cognitive abilities, including learning, memory, and spatial navigation. Studies in birds have shown that lesions or damage to the postpallium can lead to impairments in these functions. Additionally, the postpallium helps process visual and auditory inputs, enabling birds and reptiles to recognize and respond to different stimuli in their environment.
Overall, the postpallium represents a key component of the avian and reptilian brain, contributing to higher cognitive functions and sensory processing.
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The cerebral cortex posterior to the sulcus centralis, or fissure of Rolando.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for POSTPALLIUM
- postpallhum
- postpalli5m
- postpalliem
- postpalliqm
- postpalliwm
- postpallitm
- postpalliue
- postpalliui
- postpalliuo
- postpalliul
- postpawlium
- po stpallium
- pos tpallium
- postpa llium
- postpal lium
- postpall ium
- postpalli um
- postpalliu m
Etymology of POSTPALLIUM
The word "postpallium" is a compound word consisting of two Latin roots:
1. "Post" - This root means "after" or "behind" in Latin. It is commonly used as a prefix to indicate a chronological or sequential order, such as in words like "posterior" (meaning "situated behind or at the back") or "postpone" (meaning "to put off to a later time").
2. "Pallium" - This root refers to a type of cloak or mantle worn by ancient Romans. It was a rectangular piece of fabric draped over the shoulders and often fastened with a pin or brooch. The pallium was typically made of wool and worn by both men and women to protect from the cold weather.
The word "postpallium" combines these two roots to form a new compound word.
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