Lab II

Question 1

If you see nuclei at the top of the epithelium, what type of epithelium are you looking at?

Answer 1

Simple squamous epithelium

Question 2

True or false: the nuclei of simple cuboidal cells are elongated

Answer 2

True

Question 3

What do goblet cells secrete?

Answer 3

Mucus

Question 4

What structures make up the brush border?

Answer 4

Microvilli

Question 5

What is the difference in the most superficial cells in non-keratinized versus keratinized squamous epithelium?

Answer 5

In non-keratinized, there will be nuclei in the most superficial layer

Question 6

What are the two areas that stain magenta in a slide of a kidney stained with PAS?

Answer 6

Basement membrane

Brushborder (due to glycocalyx)

Question 7

Looking at a slide of the brush border, you see a slightly darker band just below the microvilli region. What is this?

Answer 7

The terminal web

Question 8

If you see a nuclei at the top of an epithelial cell, what type of epithelium is it?

Answer 8

Simple squamous