Introduction Epithelial cells are sheets of specialized cells that cover and line the interior and exterior surfaces of the body, for example, the outer layers of the skin and the inner luminal surface of the gastrointestinal tract. They have diverse…
Introduction Cells of all types have several common defining attributes and are composed of a fluid material ( cytosol ) that contains smaller elements, termed subcellular structures, which provide the framework for cellular activities. Each cell is contained within a…
Introduction Histology is the study of the microscopic structure of biological material and the ways in which individual components are structurally and functionally related. Histology is central to biological and medical sciences, standing at the crossroads between a range of…