Describe the changes in cell shape and number of celllayers in transitional epithelium as it is stretched. Where istransitional epithelium found?
Describe the changes in cell shape and number of cell
layers in transitional epithelium as it is stretched. Where is
transitional epithelium found?
Epithelial tissue is a broad sheet of cells covering all the surfaces of the body which are revealed to the exterior environment. These tissue lines the internal body cavity and is capable of shaping a bigger portion of glandular tissue found inside the human body. It originates from all three major embryonic layers. The epithelial tissue forming cutaneous layers evolves from the ectoderm. The endoderm gives rise to the mucus layers of the epithelial tissue. Epithelial tissue which lines vessels and open spaces inside the body evolves from the mesoderm. The lymphatic and cardiac vessels lined by epithelial tissue are called endothelium whereas those tissues that form layers and lines true cavity are known as the mesothelium. There are two sorts of epithelium cells-
- Simple epithelium which is further split into fundamental cuboidal, direct columnar and pseudo stratified columnar epithelium concurring to their shape.
- Stratified epithelium which is split into stratified squamous, stratified cuboidal, stratified columnar epithelium and transitional epithelium.
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