Prac 1: Introduction

Question 1

What type of epithelium lines blood vessels and cardiac chambers? What do we call it?

Answer 1

Simple Squamous (endothelium)

Question 2

What is the type of epithelium that lines body cavities (and what is its name)?

Answer 2

Simple squamous (mesothelium)

Question 3

Absorptive cells are likely to be which epithelial subtype?

Answer 3

Simple columnar

Question 4

Which transmembrane proteins are used by adherens junctions and desmosomes?

Answer 4

Cadherins

Question 5

What is the ECM composed of? (6)

Answer 5

Proteoglycans (GAGs), hyarulonic acid, collagen, elastin, fibronectin, laminin

Question 6

What type of collagen are BMs made of?

Answer 6

Collagen (IV)

Question 7

What fibres are present in connective tissue? (4)

Answer 7

Collagen (I & III)

Elastin

Fibrillin

Question 8

What colour does collagen stain (e.g. the dermis)?

Answer 8

Pink

Question 9

What ultrastructural feature links the intercellular bridges and forms strong contact between adjacent cells?

Answer 9

Desmosomes

Question 10

What epithelial cell type is found in the endocervix?

Answer 10

Simple columnar epithelium

Question 11

What epithelial cell type is found in the oesophagus?

Answer 11

Stratified squamous epithelium