Анатомия и физиология: текущие исследования
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Formation of tissues of the body

smriti gupta

EPITHELIA: An epithelium may be derived from ectoderm , endoderm, or mesoderm. In general , ectoderm give rise to epithelia covering the external surfaces of the body ; and some surfaces mear the exterior . Endoderm gives origin to the epithelium of most of the gut , and vof structures arising as diverticulia from the gut eg: the liver and pancreas.
connective tissue serves as a connective system binding , supporting and strengthening all other body tissues , together . Connective tissue consist of three components , that is cell , fibres and ground substance . The fibres and the ground substance are synthesized by the cells of the connective tissue.