Pink streams in the left part of the image are not Mars river,but human finger cuticle capillaries.That is small vessels ,which supply oxygen and nutrients into tissues.Researcher іnvestigates small vessels condition-spasm,dystonia or norm.Method used in endocrinology,rheumatology,stomatology.The idea of using the microscope for microcirculation stage study owned scientist Muller,worthy Leeuwenhoek and Malpighi follower,used since 1922.5