Chapter 4: Epithelial Tissue
Functions of the basement membrane include which of the following?
e. Modification of secreted proteins
Using immunohistochemistry a population of cells is shown to be positive for the protein connexin. From this we can infer that the cells are connected by what type of junction?
a. Tight (occluding) junctions
e. Desmosomes (macula adherens)
An individual genetically unable to synthesize normal occludin is likely to have epithelia with defective regulation in which of the following?
a. Material crossing the epithelium between the cells (paracellular movement)
b. Communication between the cells
c. Attachment to the basement membrane
d. Strong attachment to neighboring cells
e. Movement of membrane proteins in the apical domains of cells
An intermediate filament protein found in cytoplasm of most epithelial cells is which of the following?
Which of the following cellular features is used in naming types of epithelia?
a. Shape of cells in the basal layer
c. Presence of a basal lamina
e. Nature of the cell junctions that are present
The release of lipid droplets from cells is which type of secretion?
Exocrine glands in which the acini ...