Introduction to Histology

Question 1

What are the 4 main tissue types?

Answer 1

• Epithelial tissue
• Connective tissue
• Muscle tissue
• Nervous tissue

Question 2

What is the difference between ‘Histology’ and ‘Pathology’?

Answer 2

Histology: Microscopic study of normal cells & tissues

Pathology: Study of diseased cells & tissues

Question 3

What are the steps for producing a histology sample?

Answer 3

1) Specimen collection
2) Fixation
3) Dehydration
4) Embedding
5) Sectioning
6) Staining
[7) Viewing]

Question 4

Whats the most common stains used?

Answer 4

Haematoxylin & Eosin (H&E)

Haematoxylin = Basic -> Stains acidic structures blue/purple

Eosin = Acidic -> Stains basic structures red/pink