PARATERMINAL BODY Meaning and
Definition
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A paraterminal body refers to a specialized structure found in the nervous system, particularly in the vicinity of nerve endings or synapses. It can be defined as a cluster of cells or a small neuronal group that is located adjacent to a terminal button or the terminal branch of a nerve fiber. The term "paraterminal" indicates its close proximity to the terminal region.
These paraterminal bodies are commonly observed in certain regions of the brain, such as the olfactory bulb and the hypothalamus. They play a crucial role in the modulation and integration of synaptic activity and are involved in various neuronal signaling processes.
The paraterminal bodies are known to regulate the release of neurotransmitters and modulate synaptic transmission. They function as intermediaries between the presynaptic terminal and the postsynaptic neuron, exerting both inhibitory and excitatory influences on neurotransmitter release, thus contributing to the fine-tuning of neuronal communication.
Furthermore, paraterminal bodies are believed to be involved in sensory perception, memory consolidation, and the regulation of various physiological functions, including those related to appetite, temperature regulation, and reproductive behavior. Dysfunction or alterations in paraterminal bodies have been associated with certain neurological disorders, highlighting their significance in maintaining healthy brain function.
In summary, a paraterminal body is a specialized structure near nerve endings, plays a crucial role in synaptic modulation, and contributes to various neurological processes, making it an essential component of the nervous system.
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The area extending backward from the olfactory peduncle to the lamina terminalis and upward between the callosum and hippocampal commissure.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PARATERMINAL BODY
Etymology of PARATERMINAL BODY
The term "paraterminal body" is a specialized anatomical term used in neuroscience to describe a specific structure in the brain. Therefore, its etymology can be understood by breaking down the word into its components:
- "Para-" is a prefix derived from Greek meaning "beside" or "near".
- "Terminal" comes from Latin "terminus", meaning "end" or "limit".
- "Body" refers to a distinct mass or structure.
Therefore, the etymology of the term "paraterminal body" suggests a structure located near or beside the terminal ends of certain anatomical features.
