Histolgy

Question 1

What are the 4 layers of the epidermis

Answer 1

Stratum basale
Stratum spinosum
Stratum granulosum
Stratum corneum

Question 2

Basal layer

Answer 2

Proliferating cell population with basophilic cytoplasm
Few mitotic figures present
Melanocytes
Token cells in basal layer of nipple

Question 3

Squamous layer spinosum

Answer 3

Eosinophilia polygonal cells with oval, nuclei
Cells attached to each other like spine like processes intercellular bridges

Question 4

Granular layer

Answer 4

3 layers flattened
Diamond shaped cells with kerstonhaline granules

Question 5

Cornified layer

Answer 5

Flat eosinophililic corneocutes with nuclei

Question 6

Stratum lucidim

Answer 6

Homogenous eosinophilic zone
Only in soles and palms between granular and cornfield layer

Question 7

Dermis is divided into

Answer 7

Superficial papillary dermis and deeper reticular dermis

Question 8

Papillary dermis

Answer 8

Thin collagen fibers
Located beneath the epidermis and around adnexa

Question 9

Reticular dermis

Answer 9

Thichker extends from the base of papillary dermis to the surface of the subcutis

Question 10

Subcutaneous layer

Answer 10

Contains lobules of mature adipose tissue divided by thin connective tissue septa
Composed of adipocytes with a single globule of lipid that compresses the nucleus to the periphery