<Table> <Tr> <Th> Specialization </Th> <Th> Description </Th> </Tr> <Tr> <Td> Keratinized </Td> <Td> In this particular case , the most apical layers ( exterior ) of cells are dead and lose their nucleus and cytoplasm , instead contain a tough , resistant protein called keratin . This specialization makes the epithelium waterproof , so is found in the mammalian skin . The lining of the esophagus is an example of a non-keratinized or `` moist '' stratified epithelium . </Td> </Tr> <Tr> <Td> Parakeratinized </Td> <Td> In this case , the most apical layers of cells are filled with keratin , but they still retain their nuclei . These nuclei are pyknotic , meaning that they are highly condensed . Parakeratinized epithelium is sometimes found in the oral mucosa and in the upper regions of the esophagus . </Td> </Tr> <Tr> <Td> Transitional </Td> <Td> Transitional epithelia are found in tissues that stretch and it can appear to be stratified cuboidal when the tissue is relaxed , or stratified squamous when the organ is distended and the tissue stretches . It is sometimes called urothelium since it is almost exclusively found in the bladder , ureters and urethra . </Td> </Tr> </Table>
<Table> <Tr> <Th> Specialization </Th> <Th> Description </Th> </Tr> <Tr> <Td> Keratinized </Td> <Td> In this particular case , the most apical layers ( exterior ) of cells are dead and lose their nucleus and cytoplasm , instead contain a tough , resistant protein called keratin . This specialization makes the epithelium waterproof , so is found in the mammalian skin . The lining of the esophagus is an example of a non-keratinized or `` moist '' stratified epithelium . </Td> </Tr> <Tr> <Td> Parakeratinized </Td> <Td> In this case , the most apical layers of cells are filled with keratin , but they still retain their nuclei . These nuclei are pyknotic , meaning that they are highly condensed . Parakeratinized epithelium is sometimes found in the oral mucosa and in the upper regions of the esophagus . </Td> </Tr> <Tr> <Td> Transitional </Td> <Td> Transitional epithelia are found in tissues that stretch and it can appear to be stratified cuboidal when the tissue is relaxed , or stratified squamous when the organ is distended and the tissue stretches . It is sometimes called urothelium since it is almost exclusively found in the bladder , ureters and urethra . </Td> </Tr> </Table>
type of epithelial tissue containing cells that can change shapes as the tissue stretches
type of epithelial tissue containing cells that can change shapes as the tissue stretches
Transitional
Transitional