Apical Flashcards
(12 cards)
What is the primary function of epithelial cells?
Epithelial cells always connect and present a barrier.
How are nutrients and O2 supplied to the epithelium?
Through the blood vessels connected to the tissue.
What unique feature do epithelial cells have on their apical surface?
Epithelial cells have microvilli.
What is the role of microvilli?
They increase the surface area.
Fill in the blank: Epithelial cells have a ______ surface that faces the external environment.
apical
What structures help in the movement of substances across the epithelial surface?
Cilia.
True or False: The basal surface of epithelial cells interacts with the external environment.
False.
What is the basal surface of epithelial cells?
It is the surface that connects to the underlying tissue.
What type of structures are found on the apical/free surface of epithelial cells?
Finger-like projections.
Fill in the blank: The free surface of epithelial cells faces _______.
the external environment
What is the significance of the surface area in epithelial cells?
It facilitates absorption and secretion.
What is the relationship between epithelial cells and body fluids?
Epithelial cells interact with body fluids.
