PLEXIFORM LAYER Meaning and
Definition
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The plexiform layer is a term primarily used in the field of neuroscience and anatomy to describe a specific layer or region within a structure where multiple branches or processes interconnect and form a complex network. This layered structure is characterized by its intricate arrangement of intertwining fibers, axons, dendrites, or synapses, forming a mesh-like structure.
In the visual system, the plexiform layer can refer specifically to the inner or outer plexiform layer of the retina, which are two distinct layers that facilitate the transmission of visual signals between different cell types. The inner plexiform layer lies between the ganglion cell layer and the inner nuclear layer of the retina, while the outer plexiform layer is situated between the inner nuclear layer and the outer nuclear layer.
The plexiform layer generally serves as a critical interface or connection point for communication and signal processing between different types of neurons or cells within a specific region. It facilitates the integration of incoming signals, allowing for complex interactions and information processing to occur. Through the highly organized network within the plexiform layer, neurons can communicate and transmit information effectively within the given system.
Overall, the plexiform layer is an essential component of various anatomical structures, enabling the intricate interconnection and transmission of signals, especially in the context of complex neural networks.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PLEXIFORM LAYER
- plexiformleyer
- plexifourmlayer
- plexiforemlayer
- plexifoarmlayer
- pl exiform layer
- ple xiform layer
- plex iform layer
- plexi form layer
- plexif orm layer
- plexifo rm layer
- plexifor m layer
- plexiform l ayer
- plexiform la yer
- plexiform lay er
- plexiform laye r
Etymology of PLEXIFORM LAYER
The word "plexiform" is derived from the Latin word "plexus", which means "network" or "web". It comes from the verb "plectere", which means "to weave" or "to fold".
In the context of the nervous system, the term "plexiform" refers to a layered or network-like arrangement of nerve fibers. In the case of the "plexiform layer", it typically refers to a layer in the retina, which is the neural tissue in the back of the eye responsible for detecting and processing light. The plexiform layer in the retina is a complex arrangement of interconnected neuronal processes, forming a network-like structure.
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