Epithelial surface specializations Flashcards
What is the zonula occludens composed of
actin
what is the zonula occludens function
formation of tight junctions
What anchors microvilli in the basement membrane
terminal web
where are stereocilia found
the ear and the male reproductive tract
what subunit connects desmosomes to one another
the cadherins desmoglein and desmocolin
What connects cells to the basal membrane
hemidesmosomes
What secretes the basal lamina and what is it composed of
epithelial cells and type 4 collagen
What secretes the reticular lamina and what is it composed of
connective tissue and type III collagen
What does type 7 collagen hold together
basal lamina and the reticular lamina
what are gap junctions composed of
connexons
What is dystrophic epidermolysis bullosa
blistering disearase involving defective type 7 collagen
What is basal infolding indicative of
ion transport and mitochondria presence
