sci quiz

Cards (71)

  • consist of skin, hair, nails, and various glands
    Integumentary System
  • scientific name for skin
    cutaneous membrane
  • consist of epithelial tissues
    cutaneous membrane
  • 3 layers of skin
    Epidermis, dermis, hypodermis
  • scientific name for hypodermis
    subcutaneous layer
  • superficial; made of epithelial tissues
    Epidermis
  • made of underlying connective tissue
    dermis
  • made of adipous tissue
    Hypodermis
  • accessory structures:
    • hair
    • nails
    • Multicellular exocrine glands
  • gland that produces sweat
    sweat glands
  • gland that produces earwax
    ceruminous glands
  • gland that produces sebum
    sebaceous glands
  • GENERAL FUNCTIONS:
    1. Protection
    2. Temperature maintenance
    3. Synthesis and storage of nutrients
    4. Sensory reception
    5. Excretion and secretion
    6. Production of keratin and melanin
  • skin covers underlying tissues preventing fluid loss
    protection
  • skin regulates heat exchange
    temperature maintenance
  • epidermis synthesizes vit. D; dermis stores lipids
    Synthesis and storage of nutrients
  • receptors for pain, pressure, touch
    sensory reception
  • glands excrete salts, water, and waste; mammals secrete water
    excretion and secretion
  • outermost skin layer

    epidermis
  • top sub layer of epidermis
    stratum corneum
  • bottom sub layer of epidermis
    stratum germinativum
  • Stratified Squamous Epithelium
  • thick skin has how many layers
    5 layers
  • thin skin has how many layers
    4 layers
  • what are the layers called
    strata
  • structure of epidermis:
    • stratum basale
    • stratum spinosum
    • stratum granulosum
    • stratum lucidum
  • forms epidermal ridges; avascular; contains germinative cells
    stratum basale
  • what is the other term for stratum basale
    stratum germinativum
  • where is the stratum basale attached
    hemidesmosones
    • contours of skin follows epithelial ridge patterns
  • what produces pigment
    melanin
  • the cell that produces melanin
    melanocytes
  • skin cancer that affects the melanocytes
    melanoma
  • receptors in specialized cells
    merkel cells
  • consist of keratinocytes; 5-10 layers of skin
    stratum spinosum
  • where is stratum spinosum connected
    desmosomes
  • what word did stratum spinosum came from
    spine
  • what are langerhan cells in the stratum spinosum that engulfs pathogens
    dendrindic cells
  • contains granules of keratin; connected by desmosomes
    stratum granulosum
  • stratum granulosum is filled with ____
    keratohyalin