Podcast
Questions and Answers
What is the main function of epithelial tissue?
What is the main function of epithelial tissue?
- Support
- Contraction
- Diffusion (correct)
- Energy production
How are epithelial cells nourished?
How are epithelial cells nourished?
- They do not require nourishment
- Directly from the bloodstream
- By the surrounding connective tissue (correct)
- By diffusion from the external environment
Which membrane of the epithelial cell is directed towards the lumen?
Which membrane of the epithelial cell is directed towards the lumen?
- Cytoplasmic membrane
- Apical plasma membrane (correct)
- Basal plasma membrane
- Lateral plasma membrane
What is the role of the basement membrane in relation to epithelial tissue?
What is the role of the basement membrane in relation to epithelial tissue?
Why are epithelial cells described as polarized?
Why are epithelial cells described as polarized?
What characterizes the apical domain of epithelial cells?
What characterizes the apical domain of epithelial cells?
What is the main function of microvilli in the small intestine and renal tubules?
What is the main function of microvilli in the small intestine and renal tubules?
Where do cilia mostly appear in the body?
Where do cilia mostly appear in the body?
What is the function of stereocilia in the male reproductive system and in the cochlea?
What is the function of stereocilia in the male reproductive system and in the cochlea?
Which structure provides rigidity to epithelial cells, making them resistant to external damages?
Which structure provides rigidity to epithelial cells, making them resistant to external damages?
Which structure forms a continuous band around the entire perimeter of the cell and seals completely the space between cells?
Which structure forms a continuous band around the entire perimeter of the cell and seals completely the space between cells?
What is the main function of desmosomes in the lateral zones of epithelial cells?
What is the main function of desmosomes in the lateral zones of epithelial cells?
Where is the basement membrane located?
Where is the basement membrane located?
What feature classifies simple squamous epithelium?
What feature classifies simple squamous epithelium?
Where would you find mesothelium in the body?
Where would you find mesothelium in the body?
What is the main function of simple cuboidal epithelium?
What is the main function of simple cuboidal epithelium?
Where do desmosomes mostly appear within epithelial cells?
Where do desmosomes mostly appear within epithelial cells?
Where does simple columnar epithelium with microvilli appear?
Where does simple columnar epithelium with microvilli appear?
Where does stratified squamous keratinized epithelium appear?
Where does stratified squamous keratinized epithelium appear?
Which type of epithelium lines the ducts of some glands and can be used for absorption and secretion?
Which type of epithelium lines the ducts of some glands and can be used for absorption and secretion?
In which part of the body does pseudostratified columnar epithelium mostly appear?
In which part of the body does pseudostratified columnar epithelium mostly appear?
What is the main function of urothelium (transitional epithelium)?
What is the main function of urothelium (transitional epithelium)?
Which type of glands do not have an excretory duct and pour their secretion into the blood or lymphatic stream?
Which type of glands do not have an excretory duct and pour their secretion into the blood or lymphatic stream?
What is the nature of secretion in holocrine glands?
What is the nature of secretion in holocrine glands?
Where do goblet cells, a type of unicellular gland, appear?
Where do goblet cells, a type of unicellular gland, appear?
What distinguishes stratified squamous keratinized epithelium from stratified squamous mucosal epithelium?
What distinguishes stratified squamous keratinized epithelium from stratified squamous mucosal epithelium?
What is the main function of pseudostratified columnar epithelium?
What is the main function of pseudostratified columnar epithelium?
What distinguishes cordonal endocrine glands from follicular endocrine glands?
What distinguishes cordonal endocrine glands from follicular endocrine glands?
