Lab 5 – Integumentary System

Question 1

epidermis

Answer 1

consists of keratinized stratified squamous epithelium which helps protect against friction and dryness

Question 2

dermis

Answer 2

deepest component of skin
lies b/n epidermis and hypodermis

organized into 2 layers

papillary dermis

reticular dermis

Question 3

hypodermis

Answer 3

aka subcutaneous fat layer

located just deep to the skin layer

consists of adipocytes

main functions – insulation, energy storage as fat, protection, and anchoring the superficial layers of skin

Question 4

stratum basale

Answer 4

4

aka stratum germinative, basal cell layer

innermost layer

consists of dividing cells that gradually push older cells nearer the outer surface where they finally form stratum corner

older cells go thru keratinization and progressively die and become packed w/ tough, fibrous, waterproof protein called keratin

Question 5

stratum granulosum

Answer 5

2

granular cell layer

Question 6

stratum lucidum

Answer 6

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Question 7

stratum corneum

Answer 7

asdf

Question 8

hair follicle

Answer 8

asdf

Question 9

sebaceous gland

Answer 9

asdf

Question 10

apocrine sweat gland

Answer 10

asdf

Question 11

eccrine sweat gland

Answer 11

asdf

Question 12

stratum spinosum

Answer 12

asdf