Layer Of The Skin

Question 1

Most cells of the epidermis are keratinocytes (keratin cells), which produce keratin, the fibrous protein that makes the epidermis a tough protective layer in a process called keratinization.

Answer 1

Epidermis

Question 2

o deepest layer; some cells in this layer are stem cells AKA: stratum germinativum- to indicate its role in forming new cells.

Answer 2

Stratum basale

Question 3

consists of 8-10 layered keratinocytes; it contains projections of melanocytes and intraepidermal macrophages.

Answer 3

Stratum spinosum

Question 4

consists of 3 to 5 layers of flattened keratinocytes that are undergoing apoptosis.

Answer 4

Stratum granulosum

Question 5

is a form of programmed cell death that occurs in multicellular organisms.

Answer 5

Apoptosis

Question 6

(corne= horn or horny) Few to 50 or more rows of dead, flat keratinocytes that contain mostly keratin.

Answer 6

Stratum corneum

Question 7

Present only in skin of fingertips, palms, and soles; consists of four to six rows of clear, flat, dead keratinocytes with large amounts of keratin.

Answer 7

Stratum Lucidum

Question 8

The dermis is your “hide.” It is a strong, stretchy envelope that helps to bind the body together.

Answer 8

DERMIS