(Science: botany) a change in the character of a cell wall, by which it becomes harder. It is supposed to be due to an incrustation of lignin. Origin: cf. F. Lignification. See lignify. The depositing of lignin in cell walls by plants that creates wood...
Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
