ALL meanings of medullary sheath
med·ul·lar·y sheath
M m - noun medullary sheath Botany. a narrow zone made up of the innermost layer of woody tissue immediately surrounding the pith in plants. 1
- noun medullary sheath Anatomy. myelin sheath. 1
- noun medullary sheath a myelin layer surrounding and insulating certain nerve fibres 0
- noun medullary sheath a layer of thick-walled cells surrounding the pith of the stems of some higher plants 0
- noun medullary sheath a layer of myelin forming a sheath around certain nerve fibers 0
- noun medullary sheath a ring of primary xylem around the pith of some stems 0