Epithelia
1. What is the function of the
skin in humans?
2. What are the tissues that
form the skin in vertebrates?
3. Besides the skin what are
the other coverings of the
body?
4. What are some functions of
the epithelium?
5. What is the typical feature
of the epithelia? How different
is it from the connective
tissue?
6. What are the specialized
structures that help the
adhesion between cells?
7. Is the epithelium
vascularized? How do
nutrients and oxygen reach
the epithelium? Why is this
feature an important
evolutionary acquisition?
8. How are the epithelial
tissues classified?
9. How different is the simple
cuboidal epithelium from the
columnar epithelium? Where
can these epithelia be found in
the human body?
10. How different is the simple
squamous epithelium from the
stratified squamous
epithelium? Where can these
epithelia be found in the
human body?
11. What is the function of
keratin in the epidermis?
12. How different is the fish
epidermis from the amphibian
epidermis?
13. Which are the glands
present in the epidermis of
mammals, birds and reptiles?
14. What are melanocytes?