2) Nomenclature. The nervous disease first reported in 1974, was named Viral Leukoencephalomyelitis of Goats (VLG). When it became apparent that arthritis could also result from the same virus infection, the name of the disease was changed to Caprine Arthritis Encephalitis Syndrome (CAE). It is now apparent that the virus also produces changes in the lung and udder. The name CAE however still remains in place.
chemical - of or made from or using substances produced by or used in reactions involving atomic or molecular changes; chemical fertilizer. noun compound, drug, substance, synthetic substance, potion The whole food-chain is affected by the over-use of chemicals in agriculture.
Tweet. chemistry: one of the basic substances that are made of atoms of only one kind and that cannot be separated by ordinary chemical means into simpler substances. : a particular part of something (such as a situation or activity). : a part of an electrical device that produces heat. a constituent part: as a: any of more than 100 fundamental substances that consist of atoms of only one kind and that singly or in combination constitute all matter b: one of the distinct parts (as a lens) of a composite device (as a microscope) c: one of the basic constituent units (as a cell or fiber) of a tissue.