| NOUN | body | white matter, substantia alba | whitish nervous tissue of the CNS consisting of neurons and their myelin sheaths |
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| Meaning | whitish nervous tissue of the CNS consisting of neurons and their myelin sheaths. | |
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| Synonym | substantia alba | |
| Parts | fibrous astrocyte | star-shaped cells with long processes |
| Narrower | nerve pathway, tract, nerve tract, pathway | A bundle of myelinated nerve fibers following a path through the brain |
| Broader | nervous tissue, nerve tissue | tissue composed of neurons |
| Substance of | central nervous system, CNS, systema nervosum centrale | The portion of the vertebrate nervous system consisting of the brain and spinal cord |
| Spanish | sustancia blanca | |
| Catalan | substància blanca | |
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