STRATUM MOLECULARE Meaning and
Definition
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The term "Stratum moleculare" is a Latin phrase that refers to a specific anatomical layer found within the central nervous system, particularly in the cerebral cortex. In the context of neuroscience and neuroanatomy, the stratum moleculare is described as the outermost layer of the neuropil (tangled network of neuronal processes) in the cerebral cortex.
This layer is primarily composed of the axons and dendrites of neurons, forming a dense mesh-like structure. It is located immediately below the pia mater, which is the thin and delicate protective membrane covering the brain. The axons and dendrites present in the stratum moleculare belong to cortical interneurons, the inhibitory neurons that play a crucial role in regulating the activity of excitatory neurons.
The name "stratum moleculare" originates from the Latin words "stratum" meaning a layer or sheet, and "moleculare" meaning molecular or pertaining to molecules. Therefore, the term reflects the composition of this layer primarily consisting of intricate networks of neuronal processes at the microscopic level.
Functionally, the stratum moleculare is involved in processing and integrating synaptic inputs received from various regions of the cerebral cortex. It serves as a key site for synaptic interactions among different types of neurons, allowing for complex signaling and information transfer within the neuronal circuitry of the brain.
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Molecular layer (1) Plexiform layer, one of two layers, inner and outer, of the retina, composed chiefly of interlacing dendrites from the cells of the adjoining nuclear layers; (2) The brain cortex.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for STRATUM MOLECULARE
- atratum moleculare
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- xtratum moleculare
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Etymology of STRATUM MOLECULARE
The word "Stratum moleculare" has a Latin etymology. The word "stratum" means "layer" or "level" in Latin, while "moleculare" is the neuter form of the adjective "moleculāris", meaning "relating to molecules" or "on the molecular level". Therefore, "Stratum moleculare" can be translated as the "molecular layer" or the "layer of molecules".
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