Ургамлын гадаргуу гэмтсэн нөхөн сэргээх үүрэгтэй хамгаалах эс
1. A protective tissue, consisting of parenchyma cells, that develops over a cut or damaged plant surface. 2. Mass of unorganized, thin-walled parenchyma cells induced by hormone treatment. 3. Actively dividing non-organized masses of undifferentiated and differentiated cells often developing from injury (wounding) or in tissue culture in the presence of growth regulators.
