Skin

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What epithelial structure does the epidermis have?

  • Cuboid
  • Stratified Squamous (correct)
  • Columnar
  • ------------------------

What epithelial structure does the liver have?

  • Cuboid (correct)
  • Columnar
  • Stratified squamous
  • --------------------------

What epithelial structure does the GI tract have?

  • Cuboid
  • Columnar (correct)
  • Stratified Squamous
  • ----------------------------

Na+ Ion channels are on the (insert here) surface

<p>Apical</p> Signup and view all the answers

Na+/K+ ATPase are on the (insert here) surface

<p>Basolateral surface</p> Signup and view all the answers

What types of folding can epithelial achieve?

<p>Straight, coiled and branching</p> Signup and view all the answers

What is an example of polarity with organelles?

<p>Basal layer of the kidney proximal tubules having mitochondria</p> Signup and view all the answers

What is microvilli for?

<p>Increasing SA (A)</p> Signup and view all the answers

What is cilia for?

<p>Motility (C)</p> Signup and view all the answers

What are basal folds for?

<p>Increase SA (B)</p> Signup and view all the answers

What is an example that Occludins modulate in tight junctions?

<p>Paracellular permeability</p> Signup and view all the answers

What claudin is found in leaky epithelial?

<p>Claudin 2 (B)</p> Signup and view all the answers

What Claudin is found in the epidermis?

<p>Claudin 1 (A)</p> Signup and view all the answers

What Claudin is found in the cochlea?

<p>Claudin 4 (D)</p> Signup and view all the answers

What Claudin is found in the respiratory tract, urinary tract, GI tract?

<p>Claudin 3 (C)</p> Signup and view all the answers

What are the examples of JAMs (Junction Adhesion Molecules)

<p>Ig superfamily CAMs, and N-CAMS</p> Signup and view all the answers

Ig superfamily CAMs are Ca2+ dependent?

<p>False (B)</p> Signup and view all the answers

What interactions do Ig Superfamily CAMs do?

<p>Homophilic and heterophilic interactions</p> Signup and view all the answers

Examples of such interactions?

<p>Axon guidance, cell migration</p> Signup and view all the answers

Ig Superfamily CAMs associated proteins: Receptor Tyrosine (insert here), and Receptor Protein Tyrosine (insert here)

<p>Kinase, and Phosphatase</p> Signup and view all the answers

What happens when there is no N-CAM in a mouse?

<p>Neuronal precursors do not migrate to olfactory bulb, making it smaller</p> Signup and view all the answers

High sialic acid does what to N-CAMS?

<p>Gives it low affinity, rearrangement (B)</p> Signup and view all the answers

Low sialic acid does what to N-CAMs

<p>High affinity, stable tissues (B)</p> Signup and view all the answers

Cadherins are ___ dependent, and are _________

<p>Ca2+, homophobic</p> Signup and view all the answers

What role do Cadherins have?

<p>Cell adherence, especially in histology</p> Signup and view all the answers

What are the non-classical cadherins that are heterophilic?

<p>Desmogleins and Desmocollins</p> Signup and view all the answers

What are the non-classical cadherins that make desmosomes appear darker in appearance?

<p>Plakoglobins and Plakophilins</p> Signup and view all the answers

What do Catenins do?

<p>Link cadherins to actin cytoskeleton, and send signals to the nucleus - altering gene expression (B-catenin)</p> Signup and view all the answers

Integrins - B1 subunit is used where?

<p>Widespread use (C)</p> Signup and view all the answers

What is B2 used for?

<p>White Cells (B)</p> Signup and view all the answers

What is B3 used for?

<p>Platalets (A)</p> Signup and view all the answers

What is B4 used for?

<p>Intermediate filaments (B)</p> Signup and view all the answers

What is the permeability of Connexions

<p>1000Da (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Respiratory System Histology Quiz
37 questions
Epithelial Tissue Characteristics Quiz
40 questions
Epithelial Tissue and Cellular Structures
46 questions
Use Quizgecko on...
Browser
Browser