Skin Flashcards
What are the layers of the skin?
stratum Corneum
stratum Lucidum
stratum Granulosum
stratum Spinosum
stratum Basale
(Come Lets Get Sun Burnt)
What is the squames barrier?
Stratum corneum
Which layer of the skin is responsible for touch sensation?
Stratum basale
Describe the stratum corneum.
Composed of dead cells. Flat membranous sac filled with keratin. No organelles. On surface
Which layer of the skin contains melanocytes and gives UV protection?
Stratum basale
How is melanin produced?
Melanin is created by the tyrosinase gene. Melanin is moved to the surface by keratinocytes using receptor-mediated endocytosis. Lysosomes in keratinocytes degrade melanin so not a lot of build up.
Which layer of the skin contains langerhan cells and is responsible for immune surveilance.
Stratum spinosum
Describe the stratum spinosum.
It contains macrophages to destroy infection.
In which layer of the skin is melanin produced?
Stratum basale
In which layer of the skin are merkels receptors located?
Stratum basale
What are the three layers of the skin?
Epiermis
Dermis
Hypodermis
What type of epithelium makes up the epidermis?
Kertainsed stratified sqaumous
What is stratum basale also known as?
Stratum germinosum
In which layer of the epidermis do skin cells divide?
Stratum basale only
Identify what layers of the skin are present in this photo.