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| ==Lymphatics== | | ==Lymphatics== |
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− | * | + | * As a part of the brain they have immunological protection from the [[Nervous System - CNS - Anatomy & Physiology#Lymphatics|cerbral spinal fluid]]. |
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| + | See [[Immunology - Anatomy & Physiology|immunology]]. |
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| ==Histology== | | ==Histology== |