Skin Layers Flashcards
1
Q
Stratum corneum
A
Most superficial layer. 15-30 dead highly keratinized cells. Tightly packed
2
Q
Stratum lucidum
A
2nd most superficial layer. 2-3 layers. Clear keratin filled. THIS MAKES THICK SKIN.
3
Q
Stratum Granulosum
A
2nd most superficial layer in thin skin. 3-5 layers. Non dividing. Produce keratin
4
Q
Stratum spinosum
A
8-10 layers, dividing, add to thickness
5
Q
Stratum basal
A
Interlocked with dermis. Rapidly dividing basal cells. Melanocytes.
6
Q
Papillary dermis
A
Loose connective tissue
20% of dermis.
Papillae attach to dermis via fingers
7
Q
Reticular dermis
A
Dense irregular connective tissue
80% of Dermis
Thick fibers in every direction
Flexure lines
Collagen fibers
8
Q
Hypodermis
A
Not part of integumentary system
Elastic
Mostly fat
