Pathology of skin rashes

Question 1

Remind yourself by quickly skimming over the first 7 slides of the structure and function of the skin

Answer 1

Do this.

Question 2

Define what is meant by hyperkeratosis

Answer 2

Increased thickness of keratin layer

Question 3

Define what is meant by parakeratosis

Answer 3

Persistence of nuclei in the keratin layer

Question 4

Define what is meant by acanthosis

Answer 4

Increased thickness of epithelium

Question 5

Appreciate this pic of common skin pathology terms

Answer 5

Question 6

What is the lining of the epithelium of skin ?

Answer 6

Stratified keratinising squamous epithelium

Question 7

Define what is meant by Papillomatosis

Answer 7

Irregular epithelial thickening

Question 8

Define what is meant by spongiosis

Answer 8

Oedema fluid between squames (a scale or flake (as of skin)) appears to increase prominence of intercellular prickles (prickle cells). If severe vesicles filled by oedema fluid develop.