medullary adjective. [mɛ'dʌl(ǝ)ri, 'mɛd(ǝ)l-] E17.
[formed as MEDULLA: see -ARY².]
1. a. Of or pertaining to the soft pulp of a fruit. E17-E19.
b. Botany. Of, pertaining to, or designating the pith of a plant. M19.
medullary ray each of the sheets of tissue in the stem of a dicotyledonous plant that extend radially from the pith to the cortex between the vascular bundles. medullary sheath in some higher plants, a layer of cells surrounding the pith of the stem.
2. transf. & fig. Pertaining to the inner part of anything. Long rare. M17.
3. Anatomy & Zoology. Pertaining to or designating the medulla of an organ or structure or the medulla oblongata. L17.
medullary plate Embryology = neural plate s.v. NEURAL adjective.
4. Medicine. = ENCEPHALOID. E19.

■ medullated ['mɛd(ǝ)leɪtɪd, mɛ'dʌl-] adjective (of a nerve or nerve fibre) myelinated M19.

[TahlilGaran] English Dictionary ▲