en·do·der·mis ( n d -dûr m s)n. The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems. [endo- + (epi)dermis.] |
endodermis [ˌɛndəʊˈdɜːmɪs]
n
(Life Sciences & Allied Applications / Botany) Botany the specialized innermost layer of cortex in roots and some stems, which controls the passage of water and dissolved substances between the cortex and stele
[from New Latin, from endo- + Greek derma skin]
| endodermis (nd-dûrms) The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems. In the roots the endodermis helps regulate the intake of water and minerals into the vascular tissues from the cortex. |
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