Human body as multicellular organisms which reside in the gastrointestinal tract and on the skin. Not all parts of the body are made from cells. Cells sit in an extracellular matrix that consists of proteins such as collagen, surrounded by extracellular fluids. Of the 70 kg weight of an average human body, nearly 25 kg is non-human cells or non-cellular material such as bone and connective tissue. Cells in the body function because of DNA. DNA sits within the nucleus of a cell. Here, parts of DNA are copied and sent to the body of the cell via RNA. The RNA is
Post-kala-azar dermal leishmaniasis Post-kala-azar dermal leishmaniasis Post-kala-azar dermal leishmaniasis (PKDL) is a complication of visceral leishmaniasis (VL); it is characterised by a macular, maculopapular, and nodular rash in a patient who has recovered from VL and who is otherwise well. The rash usually starts around the mouth from where it spreads to other parts of the body depending on severity. Post-kala-azar dermal leishmaniasis (also known as "Post-kala-azar dermatosis") found mainly on the face, arms, and upper part of the trunk. It occurs years(in the Indian variation)or a few months(in the African strain) after the successful treatment of visceral leishmaniasis It is mainly seen