5 Written Questions
5 Matching Questions
- Free Nerve Endings
- Stratum Corneum
- Stratum Basale
- a Produce keratin and lamellar granules, provides protection and waterproof sealant. Found in stratum granulosum and spinosum.
- b Consists of up to 30 layers of dead, scaly, keratinized cells that form a durable surface layer. This layer is espcially resistant to abrasion, penetration, and water loss. Surface cells exfoliate.
- c Single layer of cuboidal to low columnar cells sitting the basement membrane. Contains keratinocytes, melanocytes, and merkel cells. Cells can't regenerate below this layer.
- d Nerve endings for warmth, coolness, pain, tickling, & itching.
- e Cell that make areolar and dense connective tissue
5 Multiple Choice Questions
- Tiny specks of dead keratinocytes.
- Yellowing due to excess bilirubin.
- Cells move up from the deepest to most superficial layer. Cells collect keratin, die, and then get sloughed off as "dead skin". Perpetual process and cells are continually replenished.
- 1) Resist trauma & infection.
2) Barrier to water, UV light, and various harmful chemical.
3) Vitamin D Synthesis.
6) Nonverbal communication.
- The body's largest and heaviest organ. In adults it covers an area of 1.5-2.0 m(2) and accounts for 15% of the body's weight.
5 True/False Questions
Types of cells in the epidermis → 1) Papillary layer (areolar tissue)
2) Reticular layer (dense irregular CT)
Epidermal Ridges → Superficial layer of skin; comprised of stratified squamos epithelium.
Callus → Abnormal thickening of the skin that is formed from constant friction.
Stratum Granulosum → Consists of three to five layers of flat keratinocytes, more so in thick than thin skin. Keratinocytes contain/produce keratohyalin granules, combines w/ intermediate filaments.
Adipocyte → Fat cell