DEVELOPMENT PLEXUS CHOROIDS CHORDATA BRAIN
Development of vascular tissue of a brain all cavities of vertebrate animals and the person is investigated and the general principles of maturing in Evolution are revealed. Features structurally - spatial relations of components of vascular tissue are opened: epithelium, vessels, a connecting tissue, and also some cellular elements at fishes, amphibians, reptiles, birds and mammals. At Caspiomyzon wagneris it is epithelium’s plate with vessels. At fish it is plate from two type cells. At amphibian it is rudiments similar mature plexus choroids. At birds plexus choroids lateral cavities are similar plexus choroids mammalian. At Homo sapiens plexus choroids all cavities have difficult structure. Are revealed features structure cells of plexus choroids each cavity. It has been revealed, that the structure of vascular tissue of a brain of the person has differences not only evolution remote forms, but also mammals close located within a class.