A common cause of discomfort in the body, this is a painful condition that is associated with the kidneys. It can be defined as a dull, continuous or spasmodic severe pain in the flank area. The pain is usually felt on one of the sides but it may even occur on both the flanks, originating from the lower back. It can occur on one side â unilateral, or both the sides â bilateral. This pain is characteristic of the development of other underlying ailments, mostly related with the kidneys.
Sylph (also called sylphid) is a mythological spirit of the air. The term originates in the 16th century works of Paracelsus, who describes sylphs as invisible beings of the air, his elementals of air.
Naphtha (/ËnaefÎ¸É/ ËnÃ¦fÎ¸É /or/) ËnaepÎ¸É ËnÃ¦pÎ¸É is a general term that has been used for over two thousand years to refer to flammable liquid. Hydrocarbon mixtures mixtures labelled naphtha have been produced from natural, gas condensates, petroleum distillates and the distillation of coal tar. and peat 2nd century BCE Koine Greek religious text uses the word naphtha to refer to a miraculously flammable liquid. The subjects called the liquid nephthar, meaning purification, but note that most people call it naphtha (or Nephi).