Essay Questions + word bits

Name and state the 4 types of cells found in the epidermis of the skin

Keratinocyte cell- makes protein kerotin, most abundent cell in skin, found all layers of epidermis

melancyte- makes protein melanin which provides protection of UV radiation and the main factors of pigement in the skin, found in statum basle

langerhan cell - specalized white blood cell there are 2 types, macrophage which is non specific or phagocytic which engulfs the pathogen and is found in all layers

merkel cell- the senesory receptor that communicates with the nervous system, found in basle layer

State the 3 type of cancer and state a characteristic and what layer of skin it comes from and what type of cell in that layer is affected

Basal cell- the most common, affects the keratinocyte in stratum basle

Squamous- goof prognosis when caught and treated early,stratum spinosum, affects keratincytes

Maligant, the least common and most dangerous, it affects the meloncyte in the staratum basle

State the 2 main layers of the skin from superfical to deep including sublayers of think or thin skin from superfical to deep.

Epidermis:

• stratum corneum

• stratum ludiuism

• sratum granuolusm

• stratum spinosum

• stratum basele

Dermis

• papillary

• reticular

filler

true