Non-keratinised epidermal cells and appendages Flashcards
1
Q
What is the precursor for melanin
A
Tyrosine
2
Q
What is vitilago
A
Autoimmune disease with the loss of melanocytes
3
Q
What is nelsons syndrome
A
Melanin stimulating hormone is produced in excess by the pituitary
4
Q
What is a malignant melanoma
A
Tumour of melanocyte cell line
5
Q
What are langerhans cells
A
They come from a mesenchymal origin and are antigen presenting cells
6
Q
What is the purpose of merkel cells
A
For light touch sensation
7
Q
What causes merkel cell cancer
A
Viral infection
8
Q
The three different growth phases of hair folicles
A
Anagen, calagen and telogen
9
Q
What is the anagen phase
A
The growing phase
10
Q
What is the calagen phase
A
Involuting phase
11
Q
What is the telogen phase
A
Resting phase
12
Q
What is alopecia areata
A
Autoimmune hairloss
