intro to histology

Question 1

epithelial tissue function

Answer 1

barrier and lining tissue

Question 2

give and example of epithelial tissue

Answer 2

outer layer of skin

Question 3

connective tissue function

Answer 3

provides structural and functional support

Question 4

give examples of connective tissue

Answer 4

cartilage, bone

Question 5

muscle tissue function

Answer 5

specialised for contraction

Question 6

give example of muscle tissue

Answer 6

cardiac cells

Question 7

nervous tissue function

Answer 7

carries information throughout the body via electrical impulses

Question 8

give an example of nervous tissue

Answer 8

nerves

Question 9

give the different methods of obtaining biopsy tissue

Answer 9

incision or punch biopsy
- skin/oral surfaces
needle biopsy
- organs or lumps below skin
- Imaging techniques usually used to guide biopsy
endoscopic biopsy
- flexible tube with light and cameral - cutting tools can b used to collect tissue specimens

Question 10

Cell staining techniques

Answer 10

Haematoxylin and Eosin (H and E)
- most commonly used
- haemotolixylin is a basic dye, which staines acidic structures (e.g. nucleic acids) blue/purple
- Eosin acidic and stains basic structures (such as cytoplasmic proteins) red or pink

PAS
Masson trichrome
- stains connective tissues