Integumentary System Flashcards

(8 cards)

1
Q
  • Considered to be the largest system and organ of the body
  • made up of skin, hair, nails, and glands
  • forms outer boundary of the body
A

Integumentary System

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2
Q

What are the functions of the integumentary system

A
  • Protection from radiation, water loss, drying, and invasion of microorgansims
  • control body temp
  • detection of sensation
  • secretion of waste products
  • production of vitamin D
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3
Q
  • outer layer
  • made up of four to five sublayers (strata)
  • Innermost layer supplies cells that move up to the next strata
  • cells continue to pick up keratin as they pass through strata
  • outermost layer contains lifeless keratin filled cells that fall off
  • contains melanocytes that produce skin color
  • no blood supply
A

Epidermis

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4
Q
  • Corium “true skin”
  • innermost layer
  • contains nerve and blood supply
  • also contains appendages of the skin
  • provides strength to the skin
  • stores water and electrolytes
A

Dermis

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5
Q
  • sweat glands
  • Coiled, tubelike structures in the dermis
  • produce and transport sweat to the skin surface
  • sweat evaporates and cools the body
A

Sudoriferous glands

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6
Q
  • Modified sweat glands found in the ear

- secrete cerumen (earwax)

A

Ceruminous glands

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7
Q
  • oil glands
  • connected to hair follicles
  • Secrete sebum that oils the hair and lubricates the skin
A

Sebaceous glands

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8
Q
  • layer of tissue below the dermis
  • connects dermis to the surface of muscles
  • made up of adipose tissue, elastic fibers, and fibers
A

Subcutaneous tissue

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