Types Of Cell Junctions Flashcards
Which type of cell junction is also known as “tight junction”
Zonula occludens
Which type of cell junction involves sharing of intrinsic proteins BETWEEN adjacent cells
Zonula occludens
What are 2 functions of zonula occludens (tight junctions)
Strong attachment
Prevent passage between cells
Which type of cell junction is also known as “adhesion belt”
Zonula adherents
Which type of cell junction contains cadherins (linkage proteins) between cells
Zonula adherens (adhesion belt)
At which type of cell junction do cytoskeleton attach to cell membranes
Zonula adherens (adhesion belt)
What are 2 functions of zonula adherens (adhesion belt)
Strong attachment
Structural stability
Which type of cell junction is known as a Desmosome
Macula adherens
What is the function of macula adherens (desmosome)
Strong attachment
What type of cell junction presents as 6 connections arranged in a cylinder
Gap junctions
What are the 3 junctions in order beginning with the free cell surface
Zonula occludens
Zonula adherens
Macula adherens
(OAM)
What does a hemidesmosome do
Helps to connect epithelial cells to the basal lamina
What transmembrane protein is present at focal point contacts
Integrin
What is an autoimmune skin disease causing large blistering lesions that burst but do heal
Bulbous pemphigoid
What is the cause of bulbous pemphigoid
Antibodies binding to particular proteins in hemidesmosomes
