These nomenclature changes affect the strain names for inbred 129 mice and all mice carrying transgenes, or spontaneous or targeted mutations on a 129 background. Many targeted mutations (e.g. , knockouts) are maintained on a mixture of C57BL/6 and a particular 129 strain.
sulcus noun [C] uk / ËsÊl.kÉs / us / ËsÊl.kÉs / plural sulci / ËsÊl.saÉª / specialized âº a gap where the surface of a structure is folded, for example in the brain
mucus in Medicine Expand. mucus muÂ·cus (myÅÅ'kÉs) n. The viscous slippery substance that consists chiefly of mucin, water, cells, and inorganic salts and that is secreted as a protective lubricant coating by the cells and glands of the mucous membranes.