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AY Dermatology > Definitions > Flashcards

Flashcards in Definitions Deck (13):
1

What is gastrulation?

Cellular organisation into germ layers in days 7-10 of early foetal development

2

What are Blaschko's lines?

Developmental growth pattern of skin (not following vessels nerves or lymphatics

3

What is vitiligo?

Autoimmune disease with loss of melanocytes

4

What is Nelson's syndrome?

Melanin stimulating hormone is produced in excess by the pituitary

5

What is a malignant melanoma?

A tumour of the melanocyte cell line

6

What is Alopecia areata?

Autoimmune hair loss

7

What are Melanocytes?

Pigment producing cells from neural crest

8

What is hyperkeratosis?

Increased thickness of the keratinlayer

9

What is parakeratosis?

Persistance of nuclei in the keratin layer

10

What is acanthosis?

Increased thickness of epidermis

11

What is papillomatosis?

Irregular epithelial thickening

12

What is spongiosis?

Oedema between keratinocytes

13

What is inflammtory cell infltrate?

Acute or chronic lymphocytes and/or neutrophils