Histology Facts

Question 1

Do stratified epithelia have cilia or stereocilia?

Answer 1

No - no cilia or stereocilia

Question 2

Special about pseudostratified?

Answer 2

Always have cilia or stereocilia

Question 3

Stratified cuboidal/columnar - common features

Answer 3

1. Mostly only two cell layers thick

2. As with simple squamous, no cilia or stereocilia.

Question 4

LCT — ___ # cells, ____ # collagen bundles

Answer 4

Increase in the number of cells, decrease oin the number of collagen bundles.

Question 5

Dense CT: ____ in # cells, ____ in # collagen bundles

Answer 5

Decrease in # cells, increase in # collagen bundles.

Question 6

Stain for reticular fibers/type III collagen

Answer 6

Silver stain

Question 7

Collagen fiber types -

Answer 7

I - bone
II - cartilage
III - skin/blood vessels

Question 8

Stain to see golgi?

Answer 8

Silver stain

Question 9

Stain to see glycogen?

Answer 9

Best carmine stain

Question 10

Stain to see elastic fibers?

Answer 10

Verhoeff stain

Question 11

Components of zona adherens (belt desmosome)

Answer 11

Cadherins & catenins, attached to actin.

Question 12

Components of macula adherens

Answer 12

Intermediate filaments, desmoglien, desmoglien

Question 13

What do plasma cells to?

Answer 13

Secrete AB’s constitutively

Question 14

Mast cells function

Answer 14

Vasodilador, many granules/secretory vesicles