The inner layer of cortex in a plant stem or root, or the inner cortical tissue of an organism.
From endo- + cortex (from Latin cortex, 'bark'). The cortex is outer tissue; endocortex specifies the innermost cortical layer.
Plant anatomy is like layers of an onion—the endocortex is the innermost layer of that 'skin,' and understanding these layers helps botanists identify plant species and understand how they transport water and nutrients.
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