Anatomy

Card Set Information

Author:
Getrebekah
ID:
33045
Filename:
Anatomy
Updated:
2010-09-06 18:05:05
Tags:
Chapter Five
Folders:

Description:
Integumentary System
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  1. What is the structure of skin?
    • 1.5- 2m2 thick
    • Makes up 7-8%
    • Layers:
    • Epidermis
    • Dermis
    • *Subcutaneous (not skin)
  2. What is the function of skin?
    • Protective
    • Prevents water loss
    • Temperature regulation
    • Metabolic Regulation (vitamin d)
    • Immune defense
    • Sensory Reception
    • Excretion by means of Secretion (getting rid of waste)
  3. What are the derivitaves (Accessory organs) of skin?
    • Glands (Sweat)
    • Hair
    • Nails
  4. What is the EPIDERMAL STRATA?
    • From basement membrane to its surface, reveals several layers or strata.
    • Deep to superficial:
    • Stratum basale
    • Stratum spinosum
    • Stratum granulosum
    • Stratum lucidum (thick skin only)
    • Statum corneum
  5. Where is thick skin located?
    • Palms of hands
    • Soles of feet
    • Fingers and toes
    • *Contains sweat glands, no hair follicles or sebaceous glands.
  6. Where is thin skin located?
    • Covers most of the body. the epidermis lacks the stratum lucidum, so it only has 4 layers.
    • Contains:
    • hair follicles,
    • sebaceous glands and
    • sweat glands.
  7. What are the layers of the EPIDERMIS
    • Stratum corneum
    • Stratum lucidum
    • Stratum granulosum
    • Stratum spinosum
    • Stratum basale
  8. What are the layers of the DERMIS?
    • Papillary layer
    • Reticular layer
  9. Where is the SUBCUTANEOUS layer located?
    Not considered part of the integument; deep to the dermis; composed of areolar connective tissue and adipose connective tissue
  10. What are the characteristics of the Nail?
    • Nail body
    • Free edge
    • Lunula
    • Nail folds
    • Nail groove
    • Eponychium (cuticle)
  11. What are the 3 zones along the length of a hair?
    • Hair bult
    • Root
    • Shaft
  12. What are the functions of hair:
    • Protection
    • Heat Retention
    • Facial Expression
    • Sensory Reception
    • Visual Identification
    • Chemical signal dispersal

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