There is a great variety of modes of land ownership and tenure: 1  Traditional land tenure. 2  Ownership of land by swearing to make productive use of it. 3  Allodial title, a system in which real property is owned absolutely free and clear of any superior landlord or sovereign.
Manganese Violet is a violet pigment used the formulation of makeup, hair coloring products, bath products, nail polish and skin care products.
1. Manganese (Mn) is an essential trace element that is found in varying amounts in all tissues. Manganese concentrations are highest in tissues rich in mitochondria, where it forms stable complexes with ATP and inorganic phosphate. Manganese functions as a constituent of metalloenzymes and an activator of enzymes. key neurochemical alteration associated with manganese neurotoxicity is altered extracellular glutamate levels. Attenuated glutamate uptake by astrocytes has been invoked as the primary cause for this disturbance (Hazell and Norenberg, 1997 and Erikson and Aschner, 2002).